Question

A) - 0,1* 25 supra 2
B)-(25supra 2)^2,calculati a*b

Answer 1

Salut.

a) $\displaystyle{\frac{-0,1\times 25}{2}=\frac{-2,5}{2} =-1,25}$

b) $\displaystyle{-(\frac{25}{2})^{2}= -\frac{25^{2}}{2^{2}}=-\frac{625}{4}=-156,25}$

a × b = -1,25 × -156,25 = 195,3125

- Lumberjack25