Find the greatest common factor of the terms.21m5, 189m8
A. 21m3
B. 3969m3
C. 189m5
D. 21m5
Answer: D
Mathematics
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Express the number in scientific notation.4,200,000,000,000
A. 4.2 × 109 B. 4.2 × 1012 C. 4.2 × 10-12 D. 4.2 × 10-9
Mathematics
Solve the problem.How many different amounts of money can you pay if you use four coins including dimes and quarters?
A. 6 amounts B. 3 amounts C. 4 amounts D. 5 amounts
Mathematics
Use the quotient rule to simplify.
A. 5x
B. 5x
C. x
D. 5x
Mathematics
Provide an appropriate response.The table shows the number of pupils per teacher in selected counties in a certain state. 
Which counties have a figure that is at most 16.7?
A. Addison, Cumberland, Kendall B. Addison, Branson, Dixson, Hendricks, Putnum C. Branson, Dixson, Hendricks, Putnum D. Cumberland, Kendall
Mathematics