NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 63

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8th CBSE

IMPORTANT

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The expression for $3^{5}$ with a negative exponent is

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Important Questions on Exponents and Powers

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IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 64

The value for

(- 7)^{6} \div 7^{6}

is _____.

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IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 65

The value of

[1^{- 2} + 2^{- 2} + 3^{- 2}] \times 6^{2}

is _____.

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IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 66

The multiplicative inverse of

(- 4)^{- 2}

is

(4)^{- 2}

.

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8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 67

The multiplicative inverse of

{(\frac{3}{2})}^{2}

is not equal to

{(\frac{2}{3})}^{- 2}

.

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IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 68

10^{- 2} = \frac{1}{100}

.

EASY

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IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 69

24.58 = 2 \times 10 + 4 \times 1 + 5 \times 10 + 8 \times 100

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IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 70

329.25 = 3 \times 10^{2} + 2 \times 10^{1} + 9 \times 10^{0} + 2 \times 10^{- 1} + 5 \times 10^{- 2}

.

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 8 - Exponents and Powers>Exercise>Q 71

(- 5)^{- 2} \times (- 5)^{- 3} = (- 5)^{- 6}