Subtract. - 

A.
B.
C.
D.


Answer: A

Mathematics

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Use scientific notation to solve the problem.The earth is approximately 92,900,000 miles from the sun.  x 103 m, what is the distance to the sun in meters?

A. 5.7 x 10-10 m B. 5.7 x 1010 m C. 1.50 x 1011 m D. 1.50 x 1010 m

Mathematics

In the circuit below, find IT in rectangular form if IR = 7 mA and IC = 9 mA.



a. 16 mA - j2 mA
b. 16 mA + j16 mA
c. 9 mA + j7 mA
d. 7 mA + j9 mA
e. -2 mA + j16 mA

Mathematics

Find the exact value of the expression without using a calculator.

A.
B.
C.
D.

Mathematics

Simplify the expression.(-5)-4

A.
B. 625
C. - 
D. -625

Mathematics