Answer:
-15
Step-by-step explanation:
Remember to follow PEMDAS. PEMDAS =
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
Solve the parenthesis:
(2 + 8 - 8) = (10 - 8) = 2
Divide: -30/2 = -15
-15 is your answer.
23,000 and 406,000 are these in standard form.
Use the equation .8x + x = 252
x is the number, and .8 is the decimal equivalent of 80%.
1.8x = 252
x = 140
The answer is D. (2.9,-22.8)