Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144
B. 16,777,216
C. 16,384
D. 1,048,576
Answer: C
Mathematics
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Solve the problem.If you raise 9 to the 387th power, what is the units digit of the result?
A. 1 B. 6 C. 9 D. 7
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent nonzero real numbers.
A. - 
B. 
C. -3ab2
D. 
Mathematics
Find the GCF.54, 72, 126
A. 36 B. 2 C. 18 D. 9
Mathematics