MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.1>Q 7

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IMPORTANT

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Simplify: $(- 3) \times {(- 2)}^{3}$

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Important Questions on Exponents and Powers

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IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.1>Q 7

Simplify:

{(- 3)}^{2} \times {(- 5)}^{2}

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IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.1>Q 7

Simplify:

{(- 2)}^{3} \times {(- 10)}^{3}

HARD

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IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.1>Q 8

Compare the following numbers:

2.7 \times 10^{12}

and

1.5 \times 10^{8}

HARD

7th CBSE

IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.1>Q 8

Compare the following numbers:

4 \times 10^{14}

and

3 \times 10^{17}

EASY

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IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.2>Q 1

If

3^{2} \times 3^{4} \times 3^{8}

can be expressed as

3^{k}

, find the value of

k

. (Use laws of exponent)

EASY

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IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.2>Q 1

If $6^{15} \div 6^{10}$ can be written as $6^{m}$ , then find the value of $m$ .

EASY

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IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.2>Q 1

$a^{3} \times a^{2}$

Simplifying the given using laws of exponents, we get $a^{k}$ .

Write the value of $k$ .

EASY

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IMPORTANT

MATHEMATICS Textbook for Class VII>Chapter 13 - Exponents and Powers>EXERCISE 13.2>Q 1

Using laws of exponents, if the simplified form of

7^{x} \times 7^{2}

is

7^{n}

, then find the value of

n

.