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Exponent of an Exponent

Question 27In...

Question

Question 27

In the following question, out of the four options, only one is correct. Write the correct answer.

${(\frac{1}{10})}^{0}$ is equal to

(a) 0

(b) $\frac{1}{10}$

(c) 1

(d)10

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Solution

Using law of exponents , $a^{0} = 1$

$∴ {(\frac{1}{10})}^{0} = 1$

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Question 27

In the following question, out of the four options, only one is correct. Write the correct answer.

${(\frac{1}{10})}^{0}$ is equal to

(a) 0

(b) $\frac{1}{10}$

(d)10

Question 19

In the following question, out of the four options, only one is correct. Write the correct answer:

${(\frac{- 7}{5})}^{- 1}$ is equal to:
(a) $\frac{5}{7}$
(b) - $\frac{5}{7}$
(c) $\frac{7}{5}$
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Question 32

In the following question, out of the four options, only one is correct. Write the correct answer.

Cube of $- \frac{1}{2}$ is

(a) $\frac{1}{8}$

(b) $\frac{1}{16}$

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Question 20

In the following question, out of the four options, only one is correct. Write the correct answer:

$(- 9)^{3} \div (- 9)^{8}$ is equal to:
(a) $(9)^{5}$
(b) $(9)^{- 5}$
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Question 9

In the following question out of the four options only one is correct, write the correct answer.

Which of the following is a linear expression?

(a) $x^{2} + 1$

(b) $y + y^{2}$

(d) 1 + z

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