Question

By what number should (1/4)^-3 be multiplied so that the product will be 20​

Answer 1

Step-by-step explanation:

Let the required number be x.

Now, according to the question:-

→ (1/4)^-3 × x = 20

As, the power is negative, the base will be reversed, means numerator will become denominator and vice versa.

→ (4/1)³ × x = 20

→ (4)³ × x = 20

→ 64x = 20

→ x = 20/64

→ x = 5/16

Therefore, the required number is 5/16.

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