Question

calcule o valor de cada uma das expressão -2.(3/2)^3+1^15-(-2)^1

Answer 1

$-2(\frac{3}{2})^3+1^{15}-(-2)^1\\\\ -2(\frac{3}{2}.\frac{3}{2}.\frac{3}{2})+1-(-2)\\\\ -2(\frac{9}{4}.\frac{3}{2})+1+2\\\\ -2.\frac{27}{8}+3\\\\ -\frac{27}{4}+3\\\\ \frac{-27+12}{4}\\\\ -\frac{15}{4}$