III: Exponents, Square Roots, And Scientific Notation

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| By Ccpatriciaburns

Ccpatriciaburns

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Quizzes Created: 1 | Total Attempts: 128

| Attempts: 129

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1/5 Questions

6²
- 6
- 12
- 36

About This Quiz

This quiz titled 'Exponents, Square Roots, and Scientific Notation' assesses understanding of mathematical powers, square roots, and the use of scientific notation. It includes practical problem-solving and interpretation of numerical expressions relevant for educational growth.

III: Exponents, Square Roots, And Scientific Notation - Quiz

2.

(-8)²
- -16
- 16
- 64
Correct Answer

A. 64

Explanation

The given expression (-8)2 means -8 raised to the power of 2. When a negative number is raised to an even power, the result is always positive. Therefore, (-8)2 equals 64.

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1
3.

What is the square root of 64?
- 8
- 32
- 14
Correct Answer

A. 8

Explanation

The square root of a number is a value that, when multiplied by itself, gives the original number. In this case, the square root of 64 is 8 because 8 multiplied by itself equals 64.

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2
4.

10³
- 100
- 1000
- 10000
Correct Answer

A. 1000

Explanation

The given sequence consists of powers of 10. Starting with 10^0 (which is 1), each subsequent term is obtained by multiplying the previous term by 10. Therefore, the next term in the sequence after 100 is 1000.

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2
5.

The preschool children needed a play-area with an area of 81 feet to accommodate the number of students enrolled in the class. If the room is in the shape of a square, what is the length of each wall?
- 40.5 ft
- 9 ft
- 3 ft
Correct Answer

A. 9 ft

Explanation

Since the room is in the shape of a square, all sides have the same length. To find the length of each wall, we need to find the square root of the total area. The square root of 81 is 9, so each wall of the play-area would be 9 feet long.

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2

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Feb 21, 2024

Quiz Edited by
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Mar 12, 2011

Quiz Created by
Ccpatriciaburns

III: Exponents, Square Roots, And Scientific Notation

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Quiz Preview

(-8)2

What is the square root of 64?

103

The preschool children needed a play-area with an area of 81 feet to accommodate the number of students enrolled in the class. If the room is in the shape of a square, what is the length of each wall?

6²

(-8)²

10³