is used as a factor.
CHECKING YOUR UNDERSTANDING
1
Choose the letter of the correct answer. Then write it on a
separate sheet of paper.
1. In 89⁹,the number 89 is the
A .base
C. expression
B. exponent
D. phrase
2. In 45⁴⁵the number 45 is the
A. base
C. expression
B. exponent
D. phrase
3. 87 x 87 x 87 x 87 x 87 x 87 is same as
A 87⁵
B. 87⁶
C. 87⁸
D.87⁹
4. What is the simple multiplication phrase for 100⁵?
A. 100 x 100 x 100 x 100 x 100
B. 100 x 100 x 100
C. 100 x 100 x 100 x 100 x 100 x 100
D. 100 x 100 x 100 x 100
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