Write as the sum and/or difference of logarithms. Express powers as factors. log7
A. log195 - log19n - log19m
B. 
log715 - 2 log7y - 2 log7x
C. 2 log715 - 2 log7y - log72
D. 
log715 - 2 log7y - log7x
Answer: D
Mathematics
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Write each number in engineering notation.6980
A. 69.8 ×106 B. 6.98 ×103 C. 6.98 × 10-3 D. 0.698 × 104
Mathematics
Rank the data from lowest to highest and determine the requested quartile.The following scores on the midterm exam in a math class were recorded.
Find the 1st quartile, Q1.
A. 70.5 B. 70 C. 69.5 D. 71
Mathematics
Solve for the indicated variable.Z = A(1 + x)1/3, for x
A. x = 
3
B. x = 
3 - 1
C. x = 
3
D. x = 
3 + 1
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 1
C. 
D. 12
Mathematics