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Write $9 × 9 × 9 × 9 × 9$ in exponential form with base 3.

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317

35

38

310

answer is D.

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Detailed Solution

Given expression is

9 × 9 × 9 × 9 × 9

.
The exponential form is a shortcut for writing repeated multiplications by the same number.
Note that

9

is a factor

5

times.
=

9 × 9 × 9 × 9 × 9

= 95

Exponential form with the base

3

, =

325

= 310

Thus, the value of expression

9 × 9 × 9 × 9 × 9

310

.
Therefore, the correct option is 4.

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