Sewanhaka High School
Mrs. Lidowsky, Principal
Math 8
Mr. Long, Teacher
Period:______________
Date:________________________
Name:___________________________________ (Use the back as more room to show your work.)
H.W. #1: Powers and Exponents
Directions: Write each expression using exponents:
1)
)
)
2) 2 d 5 d d 5
)
3) g (-7) (-7) g h (-7) h
4) x ( ) x x y ( ) x y
Directions: Evaluate each expression:
5)
)3 =
7) (-8)4 =
6) (-2)3 + 52 =
8) (x5 – y2)2 + x3, if x = 2 and y = 8
Directions: Answer the following questions. Show work.
9) The volume of a cube can be found by raising the
10) There are 106 millimeters in one kilometer. The
side length to the third power. What is the volume of
distance from Dana’s house to her uncle’s house is 44
the cube below?
kilometers. What is the distance in millimeters?
11) Reduce:
12) Find the GCF of 42 and 54
13) Evaluate
if a = -16, b = 2 , and c = 3