Question

Can someone help with either of these questions

Answer 1

5(14 - 2)^2 / 2

= 5*12^2 / 2

= 5 * 144 / 2

= 5 * 72

= 360 answer

Answer 2

4.

`(5(14-2)^(2))/(2)`

By the order of operations (parentheses, exponents, multiplication, division, addition, subtraction), we must get rid of the parentheses first.

Subtract 2 from 14.

`(5*12^(2))/(2)`

Next is exponents. Square 12.

`(5*144)/(2)`

Multiply.

`(720)/(2)`

Divide.

Answer: 360

5.

u + xy if u = 18, x = 10, and y = 8

Substitute.

u + xy

18 + 10(8)

Multiply.

18 + 80

Add.

98

Answer: 98