Answer: 2.077x10^-4
Step-by-step explanation:
Answer:
2.077 x 10^-4
Move decimal point over 4 spaces
-68 is your answer
Remember to follow PEMDAS (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction)
First, solve each parenthesis
(-21 x 3) = -63
(15/-3) = -5
Next, add
(-63) + (-5) = -63 - 5 = -68
~
I think it's 30
I took it as reflection of light..or ig it has same idea
5x4 = 20
7x6=42
b = 8.9
( 12^2 - 8^2 )
(144 - 64)
b= 8.9
35 + (-13) + (8) - (-6)
22 + (8) - (-6)
30 - (-6)
36
