Unit 2 Review 10.27.22

Unit 2 Review 10.27.22

8th Grade

7 Qs

quiz-placeholder

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Unit 2 Review 10.27.22

Unit 2 Review 10.27.22

Assessment

Quiz

Mathematics

8th Grade

Hard

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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2. On average, Mercury is about 57,000,000 km from the sun, whereas Neptune is about 4.5 x 10^9 km from the sun. What is the difference between Neptune’s and Mercury’s distances from the sun?

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2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The mean distance from the sun to Earth is 9.29 x 107 miles. Jupiter's mean distance from the sun is 4.8388 x 108 miles. What is the difference between these two distances in miles?

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3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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?

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A computer's hard disk drive holds 8 x 107 bytes of information. If Jill buys an extra memory stick that holds 3 x 106 bytes of information, how much memory will the computer hold?

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In 2012, New York City (NYC) and Los Angeles (LA) has the highest populations of any cities in the United States. NYC’s population was about 8.1 × 106 and LA’s population was about 3.8 × 106. What is the population of these two cities combined?

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6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The population of Mathville is 5.6 x 103. The population of Algeville is 1.3 x 104. How many more people are there in Algeville?

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7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A microgram is equal to 1 x 10 -6 grams. How many times greater than a microgram is 1 x 10grams? 

1 x 10-8
1 x 10-4
1 x 104
1 x 108

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