Question

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Вычислите:

Answer 1

$1) -5^{2} +(-2) ^{4} =25+16=41 \ 2)3 ^{4} -( frac{2}{5}) ^{2} * frac{25}{4} =81- frac{4}{25} * frac{25}{4} =81-1=80\ \ 3)0.2*5 ^{3} -0.4*2 ^{4} =0.5*125-0.4*16=62.5-6.4=56.1 \ 4)8*0.5 ^{3} +125*0.2^{2} =8*0.125+125*0.04=1+5=6$