TEKS.MATH.8.2C

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

• True

• False

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TEKS.MATH.8.2C

Solve:
(9 x 10^-6) / (3 x 10^-3) 

• 27 x 10^-9
• 3 x 10^-3
• 3 x 10^-9
• 27 x 10^-3

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TEKS.MATH.8.2C

Scientific Notation is made up of two number parts. The second part is a power of base 10.

• True
• False

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TEKS.MATH.8.2C

Multiply:
(1.4 x 10⁵)(2 x 10⁷)

• 2.8 x 10³⁵
• 2.4 x 10¹²
• 2.8 x 10¹²

Tags

TEKS.MATH.8.2C

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

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TEKS.MATH.8.2C

The mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. How many times bigger is the sun than the earth?

• 3.326 x 10⁵
• 3.326 x 10⁶
• 1.99 x 10³⁰
• 1.99 x 10⁶

Tags

TEKS.MATH.8.2C

A TV show had 3.5 × 10⁶ viewers for their first episode and 8.5 × 10⁶ viewers for their second episode. How many viewers did they have overall?

• 1.2 x 10⁷

• 1.2 x 10^-7

• 1.2 x 10⁶

• 1.2 x 10^-6

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TEKS.MATH.8.2C

Which of the following has the greatest value?

• 3.5 x 10⁴

• 2.1 x 10⁶

• 7.2 x 10⁷

• 9.9 x 10⁵

Tags

TEKS.MATH.8.2C

How do you write 8.317 x 10⁶ in standard form?

• 8,371,000

• 83,170,000

• 837,100

• 8,317,000

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TEKS.MATH.8.2C

Divide:

5.2 x 10¹¹ ÷ 2 x 10⁵

• 3.2 x 10⁶

• 2.6 x 10⁶

• 2.6 x 10¹⁶

Tags

TEKS.MATH.8.2C