Question

prove that (1/4)^-2-3×5^0-(1/81)^-1/2=15
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Answer 1

Answer:

Step-by-step explanation:

(1/4)^-2  =1/4^-2 = 4^2 = 16

3 x 5^0 = 3 x 1 = 3

(1/81)^-1/2 = 1/81^-1/2 = 81^1/2 = sqrt(81) = 9

so you get 16 - 3 -  9 = 4 not 15

maybe you typed the question without some brackets