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Pre-Algebra
Name ___________________
Date ___________ Period ___
Unit 3 – Exponents
Multiplying Exponents
Expand each exponent, then write as one power.
1.
27 24
2.
x3  x2
3.
(a) 4 (a) 9
4.
f6f2f7
Multiply the exponents by using the short cut.
5.
9599
6.
y5  y
7.
x8 x3
8.
(b) 5 (b)10 (b) 3
9.
9x 3x 
10.
 x 7x 
11.
 5c 2c d 
12.
9 x  5x y 
2
3
7
2
3
6
4
3
6
7
3-2
13.
6t v8t v 
4
3 15
14.
2
1
15. 6 x  6 y  6 z
17.
 7 x 2x  3x 
4
2
1
16. a 2  a 4
x 4  x 2
18.
x3  x0
Question:
Look at the result for #18. What do you think the value of x 0 ?
Find the missing expression to make the statement true.
19.
x5 (
21. 2a 5 b 2  (
)  x11
)  12 a 5 b10
20. (
)  b 7  b8
22. (
)  4 f g 2  12 f g 6 h