Question

Evaluate the expression 8(2+1)^-4^

Answer 1

8(2+1)²-4²

ok
pemdas
parenthaees first
2+1=3
now we gots
8(3)²-4²
exponent before multiply
3²=9
4²=16
now we gots
8(9)-16
multiply
8(9)=72
now we gots
72-16=56

Answer 2

8(2+1)^4
8(3)^4
8(81)
648