Question

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

Answer 1

$( { \frac{2}{7} })^{y} = 1$
$y = 0$
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Answer 2

Hi,

Here is your answer,

(2/7)^y = 1

=> (2/7)^y = (2/7)^0

Bases are same so exponent are equal 

y = 0



Hope it helps you !