New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Exercise>Q 10

EASY

7th ICSE

IMPORTANT

Earn 100

The least possible value of $A$ for which $40 \times A$ is a perfect cube is

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Important Questions on Square Root and Cube Root

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7th ICSE

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New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

Explain the difference between

{(- 3)}^{2}

and

{- 3}^{2}

.

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7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

Compare

3 \times 2

,

3^{2}

and

2^{3}

.

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

Show that

{(3 - 7)}^{2}

is not equal to

3^{2} - 7^{2}

.

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IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

Describe what is meant by a perfect square?

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IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

Explain how many square roots can a positive number have? How are these square roots different?

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New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

What is the square root of

0

?

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IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 2

4 \times {(- 10)}^{3}

is

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IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 3

9.315 \times 10^{4}

is