Simplify.(-7x8y5)2
A. 49x16y10
B. -49x16y10
C. -7x10y7
D. 14x16y10
Answer: A
Mathematics
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Solve the equation. 
= 9
A. - 
, 
B. 
C. 
, - 
D. 2, - 4
Mathematics
Simplify the exponential expression. Assume that variables represent nonzero real numbers.-63
A. 18 B. -18 C. 216 D. -216
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 2
C. 1
D. 
Mathematics
The measurements of the base and altitude of a triangle are found to be 46 and 34 centimeters. The possible error in each measurement is 0.1 centimeter. Use differentials to estimate the propagated error in computing the area of the triangle. Round your answer to four decimal places, if necessary. ?
A. 
square centimeters
B. 
square centimeters
C. 
square centimeters
D. 
square centimeters
E. 
square centimeters
Mathematics