Multiply each exponent inside the parentheses by the exponent on the outside:
8^(-5 x -4) / 2^(-2 x -4)
8^20 / 2^8
The answer is C
Answer:
b
Step-by-step explanation:
5 is one of the numbers in 1,2,3,4,5,6,7,8
^
The answer is (2x-1)(2x-3)
I know the answers but I hate simplifying
40) 9y-12
42) -3x+3y-5
Answer:
a. L.B. = 20.5
b. U.B. = 21.5
Step-by-step explanation:
Length is measured 21 cm correct to 2 significant figures
a. Lower bound of 21
= 20.5 < 21
= 20.5
b. Upper bound of 21
= 21 < 21.5
= 21.5