Write using exponential notation.9 ? 9 ? 9 ? 9
A. 92
B. 36
C. 94
D. 49
Answer: C
Mathematics
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Solve the problem.Estimate the maximum number of smaller figures (at left) that can be placed in the larger figure (at right) without the small figures overlapping.
A. 17 B. 20 C. 24 D. 15
Mathematics
Find the sum of the infinite geometric series, if it exists.
A. 
B. 
C. 
D. Does not exist
Mathematics
Solve.45% of what is 72?
A. 160 B. 0.63 C. 1600 D. 63
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. 84
B. 
C. 
D. 88
Mathematics