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sahilsahh
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­How many digits are in the number 13^2 * 100^8 * 8^2? 19 Jul 2024, 21:53
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

Difficulty:

35% (medium)

Question Stats:

72% (01:36) correct 28% (01:35) wrong based on 142 sessions

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­How many digits are in the number 13^2 * 100^8 * 8^2?

A. 21
B. 24
C. 25
D. 20
E. 26­
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A
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­How many digits are in the number 13^2 * 100^8 * 8^2? 20 Jul 2024, 00:46
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sahilsahh
­How many digits are in the number 13^2 * 100^8 * 8^2?
A. 21
B. 24
C. 25
D. 20
E. 26
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­I am not sure where I am getting this wrong - the number is 10,816 * 10^16. So 5 digits + 16 zeros = 21 digits? How can you get to 25? thanks
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­How many digits are in the number 13^2 * 100^8 * 8^2? 20 Jul 2024, 02:54
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z.helen17

sahilsahh
­How many digits are in the number 13^2 * 100^8 * 8^2?
A. 21
B. 24
C. 25
D. 20
E. 26
­I am not sure where I am getting this wrong - the number is 10,816 * 10^16. So 5 digits + 16 zeros = 21 digits? How can you get to 25? thanks
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­Your soluiton is correct. Edited the OA.
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­How many digits are in the number 13^2 * 100^8 * 8^2? 20 Jul 2024, 06:43
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How many digits are in the number 13^2 * 100^8 * 8^2?

The number = \(169*64*10^{16} = 10816*10^{16}\)

The number of digits = 5+16=21

IMO A

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