Вычислите : 1)3*4^-2+2^3 2) 0.4^0-(-0.25)^3​

1) 3*4^-2+2^3=0.1875+8=8.2

2) 0.4^0-(-0.25)^2=1+0.0625=1.06

Вроде так...

1)

3 * 4⁻² + 2³ =

= 3/4² + 8 =

= 3/16 + 8 = 8 3/16,

2)

0,4⁰ - (0,25)³ =

= 1 - (1/4)³ =

= 1 - 1/64 =

= 64/64 - 1/64 = 63/64