if 32 = 2^x, then x = ?

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RRB ASM Exam (Bhubaneshwar) 2009 click here to view all questions

if 32 = 2^x, then x = ?

A15

B4

C5

D8

Revathi ? Apr 19 '2019 at 12:29

Soln: 2^x = 32

Here, we can write 32 as 2 power 5.

Because, 2×2×2×2×2 = 32 2^x = 2^5

Now, the base are equal. So, the powers also must be equal.

Therefore, we can write that, x = 5.

Thank You

All DiscussionsClick here to write answer

Soln: 2^x = 32 Here, we can write 32 as 2 power 5. Because, 2×2×2×2×2 = 32 2^x = 2^5 Now, the base are equal. So, the powers also must be equal. Therefore, we can write that, x = 5. Thank You Revathi ? answered Apr 19 '2019 at 12:29 All Comments

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