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Problem Solving (PS) | Re: If x is a k-digit integer and x = (4^9)(5^17), what is the value of k?

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factorize x=(4^9)(5^17)
in simplest prime factors
x= 2^18 * 5^17
x=10^17 * 2
total digits in K 17 zeroes and 1 digit of 2 ; 18
option E

corrayatom wrote:

If x is a k-digit integer and x = (4^9)(5^17), what is the value of k?

A. 9
B. 15
C. 16
D. 17
E. 18

Statistics : Posted by Archit3110 • on 20 Jun 2023, 06:04 • Replies 3 • Views 78



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