Question

c)(+1)³-(+8)²+(-2)4
D)(-1)7-(-4)³+(+2)³
com as contas​

Answer 1

Resposta:

c)

$(+1)^{3} - (+8)^{2} + (-2)^{4}=\\(+1)-(+64) + (+16)=\\1-64+16=\\1-48=\\47$

d)

$(-1)^{7}-(-4)^{3}+(+2)^{3}=\\ (-1) -(-64)+(+8)=\\-1+64+8=\\-1+72=\\+71$