Question

Order of operations

Simplify z+9(8−x)+8(z+8)=

Simplify (3−10)^2−(5−12)^2

Evaluate 2^2⋅4^3=​

Answer 1

z+9(8−x)+8(z+8)=

z+72-9x+8z+64=

9z-9x+136

(3−10)^2−(5−12)^2 parenthesis first

(-7)²-(-7)²=

49-(49)=49-49=0

2^2⋅4^3 exponent first

2*2*4*4*4

4*64=256