Multiply the monomials.(-2x5)(2x8)
A. 4x40
B. -4x13
C. -4x40
D. 4x13
Answer: B
Mathematics
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Tell whether the statement is true or false.{x | x is a counting number greater than 36} = {36, 37, 38, ...}
A. True B. False
Mathematics
Factor when possible.x3 + 9x2 - x - 9
A. (x + 1)(x - 1)(x - 9) B. (x + 1)(x - 1)(x + 9) C. (x2 + 1)(x - 9) D. prime
Mathematics
Solve the problem. Use the correct number of significant digits.Assume that the volume of Earth is5.0 × 1014 cubic meters and the volume of a bacterium is2.5 × 10-16 cubic meters. If Earth could be filled with bacteria, how many would it contain?
A. 2.0 × 1030 bacteria B. 2.0 × 10-30 bacteria C. 5.0 × 1031 bacteria D. 5.0 × 10-31 bacteria
Mathematics
Translate using numbers and symbols.Six added to a number
A. 6 - x B. 6x C. x × 6 D. x + 6
Mathematics