If b is a positive integer and b^4 is divisible by 81, which of the following could be the remainder when b is divided by 9?

A. 1

B. 2

C. 4

D. 6

E. 8

Question

If b is a positive integer and b^4 is divisible by 81, which of the following could be the remainder when b is divided by 9?

A. 1

B. 2

C. 4

D. 6

E. 8

Rohit Rohit · Answer

b^4 is divisible by 81, which means b is a multiple of 3.If b is 3, the remainder is 3&nbsp;If b is 6, the remainder is 6If b is 9, the remainder is 0.The possible answer is 6Answer D

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Top Contributors

Raju

3 weeks, 4 days ago

If b is a positive integer and b^4 is divisible by 81, which of the following could be the remainder when b is divided by 9?
A. 1
B. 2
C. 4
D. 6
E. 8

Top Contributors

Raju

3 weeks, 4 days ago

If b is a positive integer and b^4 is divisible by 81, which of the following could be the remainder when b is divided by 9?A. 1B. 2C. 4D. 6E. 8

If b is a positive integer and b^4 is divisible by 81, which of the following could be the remainder when b is divided by 9?
A. 1
B. 2
C. 4
D. 6
E. 8