Question

Please help me I feel, no I am so dumb

Answer 1

19. State which operation you do first.

a) parentheses

b) parentheses

c) parentheses

d) parentheses

PEMDAS -  parentheses, exponents, multiplication, division, addition, subtraction

20. Evaluate each expression in question 19.  Show all steps.

a) 4 - 6( -2 )

-6( -2 ) = 12

4 + 12 = 16

Answer: 16

b) (-18) ÷ (-9) - 3

-18 / -9 = 2

2 - 3 = -1

Answer: -1

c) [7-(-3)] ÷ 5

[7-(-3)] = 10

10/5 = 2

Answer: 2

d) 4(-6) ÷ (-2)

4/-6 = -$\frac{2}{3}$

-2/3 / -2