Question

Uma ajuda por favor

Answer 1

a)

$(-1)^{10}.(-3)^4:9\\1.(-3)^4:9\\1.3^4:3^2\\3^4:3^2\\3^{4-2}\\3^2\\9$

b)

$(32-2^5):(-3)^5-(7^2-3^2)\\(32-32):(-3)^5-(49-9)\\0:(-3)^5-40\\0-40\\-40$