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Lightning is a sudden, violent flash of electricity between a cloud and the ground, or from cloud to cloud. A lightning flash, or bolt, can be several miles long. It is so hot, with an average temperature of 34,000° Centigrade, that the air around it suddenly expands with a loud blast. This is the thunder we hear.

Lightning occurs in hot, wet storms. Moist air is driven up to a great height. It forms a type of cloud called cumulonimbus. When the cloud rises high enough, the moisture freezes and ice crystals and snowflakes are formed. These begin to fall, turning to rain on the way down. This rain meets more moist air rising, and it is the friction between them which produces static electricity. When a cloud is fully charged with this electricity, it discharges it as a lightning flash.

(adopted from https://brainly.co.id/tugas/1779698)

What is the text about ?

• A. Lightning

• B. Thunder and Lightning

• A Temperature

• A. Climate

An electronic calculator is a small, portable electronic device used to perform both arithmetic operations and complex mathematical operations.

The first solid electronic calculator was created in the 1960 s, building on the extensive history of tools such as the abacus (developed around 2000 BC), and the mechanical calculator (developed in the 17^th century AD). It was developed in parallel with the analog computers of the day.

In addition to general purpose of calculators, there are those designed for specific markets, for example, there are scientific calculators which include trigonometric and statistical calculations. Some calculators even have the ability to do computer algebra. Graphing calculators can be used to graph functions defined on the real line, or higher dimensional Euclidean space.

According to the text, what is the usage of calculator?

• To count numbers

• To play music

• To write numbers

• To make notes about numbers

• to check time

An electronic calculator is a small, portable electronic device used to perform both arithmetic operations and complex mathematical operations.

The first solid electronic calculator was created in the 1960s, building on the extensive history of tools such as the abacus (developed around 2000 BC), and the mechanical calculator (developed in the 17^th century AD). It was developed in parallel with the analog computers of the day.

In addition to general purpose of calculators, there are those designed for specific markets, for example, there are scientific calculators which include trigonometric and statistical calculations. Some calculators even have the ability to do computer algebra. Graphing calculators can be used to graph functions defined on the real line, or higher dimensional Euclidean space.

When does the mechanical calculator developed?

• 17^th Century

• 1960

• 2000 BC

• 2007

• 1986

Tags

CCSS.7.NS.A.1C

An electronic calculator is a small, portable electronic device used to perform both arithmetic operations and complex mathematical operations.

The first solid electronic calculator was created in the 1960s, building on the extensive history of tools such as the abacus (developed around 2000 BC), and the mechanical calculator (developed in the 17^th century AD). It was developed in parallel with the analog computers of the day.

In addition to general purpose of calculators, there are those designed for specific markets, for example, there are scientific calculators which include trigonometric and statistical calculations. Some calculators even have the ability to do computer algebra. Graphing calculators can be used to graph functions defined on the real line, or higher dimensional Euclidean space.

What is the meaning of “extensive” in the second paragraph?

• big

• outer

• loyal

• capacious

• inside

Tags

CCSS.RI.9-10.4

CCSS.RL.9-10.4

CCSS.RL.11-12.4

CCSS.RI.11-12.4

CCSS.RL.8.4

An electronic calculator is a small, portable electronic device used to perform both arithmetic operations and complex mathematical operations.

The first solid electronic calculator was created in the 1960s, building on the extensive history of tools such as the abacus (developed around 2000 BC), and the mechanical calculator (developed in the 17^th century AD). It was developed in parallel with the analog computers of the day.

In addition to general purpose of calculators, there are those designed for specific markets, for example, there are scientific calculators which include trigonometric and statistical calculations. Some calculators even have the ability to do computer algebra. Graphing calculators can be used to graph functions defined on the real line, or higher dimensional Euclidean space.

What is the meaning of “extensive” in the second paragraph?

• big

• outer

• loyal

• capacious

• inside

An electronic calculator is a small, portable electronic device used to perform both arithmetic operations and complex mathematical operations.

The first solid electronic calculator was created in the 1960s, building on the extensive history of tools such as the abacus (developed around 2000 BC), and the mechanical calculator (developed in the 17^th century AD). It was developed in parallel with the analog computers of the day.

In addition to general purpose of calculators, there are those designed for specific markets, for example, there are scientific calculators which include trigonometric and statistical calculations. Some calculators even have the ability to do computer algebra. Graphing calculators can be used to graph functions defined on the real line, or higher dimensional Euclidean space.

What is the meaning of “extensive” in the second paragraph?

• big

• outer

• loyal

• capacious

• inside

A factual information text is?

• Report Text

• Narrative Text

• Descriptive Text

• Procedure Text

Tags

CCSS.RI.11-12.5

CCSS.RI.9-10.5

CCSS.RI.8.5

CCSS.RI.7.5

CCSS.RI.6.5

What picture is it?

• Laptop

• Tablet

• Smartphone

• Computer PC

A tablet is a mobile computing devices. It is a about?

• size

• history

• functions

• general classification

Tags

CCSS.RI.11-12.5

CCSS.RI.9-10.5

CCSS.RI.8.5

CCSS.RI.7.5

CCSS.RI.6.5

Tablet let the users to browse, chat, watch video and social media.

• parts

• function

• types

• definition

Tags

CCSS.RI.11-12.5

CCSS.RI.9-10.5

CCSS.RI.8.5

CCSS.RI.7.5

CCSS.RI.6.5