Question

find the value of y if (2/7) ^y=1

Answer 1

❤(2/7)^y=1
2^y=1*7
2^y=7

Answer 2

(2/7)^y=1

Power 0 with any base has answer 1

For example 4^0=1,

789^0=1

So,

The value of y will be 0 to satisfy your equation [(2/7)^y=1]

Ans. =0