Determine the power of 10 needed to write the decimal in scientific notation.2,494,000 = 2.494 × 10n
A. 7
B. 6
C. 8
D. 5
Answer: B
Mathematics
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Simplify the expansion.(5 ? 102) + (7 ? 101) + (2 ? 100)
A. 572 B. 5072 C. 5720 D. 570
Mathematics
Find the GCD for the given numbers by an appropriate method.216 and 324
A. 6 B. 36 C. 648 D. 108
Mathematics
The owner of the Rancho Los Feliz has 3,200 yd of fencing material with which to enclose a rectangular piece of grazing land along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area that he can enclose? What is this area? ?
A. 
B. 
C. ?
D. ?
Mathematics
Simplify using the rules for exponents.(n5)3(m2n)2
A. m4n17 B. m4n30 C. m4n16 D. m4n10
Mathematics