Math, asked by LUNAlovegood9045, 11 months ago

For what value of n,2nx5n ends with 5?

Answers

Answered by Anonymous

54

Answer:

if n = 2 ,

2² × 5² =100

100 doesn't end with 5.

:. for natural number : n, 2n × 5n

doesn't end with digit 5.

♦ answer = 50n2 ...

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