Write the number as a product of prime factors.99
A. 3 × 11
B. 32 × 11
C. 3 × 112
D. 33 × 11
Answer: B
Mathematics
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Use scientific notation to perform the following operations. Leave your answer in scientific notation.(5 × 109) - (3 × 108)
A. 4.7 × 109 B. 4.7 × 108 C. 2 × 109 D. 2 × 101
Mathematics
Estimate the answer. State whether the estimate is larger or smaller than the exact answer.Each gallon of porch and deck paint covers 200 square feet. How many gallons are needed to cover 1980 square feet?
A. 8; smaller B. 9; smaller C. 10; larger D. 11; larger
Mathematics
Use the quotient rule to simplify.
A. x2y
B. xy
C. xy2
D. xy2
Mathematics
Solve the combined inequality. Write the solution in interval notation.-6 < 5x + 4 ? 14
A. [-2, 2) B. (-2, 2) C. [-2, 2] D. (-2, 2]
Mathematics