Question

a)(16)^2=
b)3^2-2^3+5^0-4^1+(1/5)^-2=
c)(-3/2)^1=
d)2^3.2/2^4.2^3=
e)-5^2=
f)3/4:(3/4)^3.(3/4)^-5=

Answer 1

a=256
b= $3^{2} - 2^{3} + 5^{0} - 4^{1} + \frac{1}{5} ^{-2}$
b= 9-8+1-4+25
b= 23
c=$\frac{3}{2}$
d= 8.1. 8= 64
e= 25
f=0,75: 0,42. 4,21= 0,4237