Evaluate by using scientific notation and the laws of exponents. Leave you answer in scientific notation.

A. 32 × 1020
B. 5 × 1021
C. 5 × 1020
D. 32 × 1021


Answer: B

Mathematics

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Choose the equation that matches the graph.

A. 16x2 - 9y2 = 144 B. 9x2 + 16y2 = 144 C. 9x2 - 16y2 = 144 D. 16x2 + 9y2 = 144

Mathematics

Match the equation with its graph.y = -3x

A.

B.

C.

D.

Mathematics

Perform the division.

A. z - 7
B. z - 7 + 
C. z + 7 - 
D. z + 7

Mathematics

Solve the inequality. Express your answer using interval notation.x + 7 < 2

A. (-5, ?)

B. (-?, -5)

C. (-?, 9)

D. (-?, 9]

Mathematics