Solve for the factorial of 5 (5!).
Answer(s): C
The factorial (!) of a number is the number multiplied by the next smallest whole number, then by the next smallest whole number, and so on (down to 1). 5! = 5 × 4 × 3 × 2 × 1 = 120.
(900 × 2) ÷ 6 = _______________.
Answer(s): B
(900 × 2) ÷ 6 = 1,800 ÷ 6 = 300.
If x = 2, then xx × x = _____________.
Answer(s): A
Substitute 2 for all x’s in the problem. 22 × 2 = 4 × 2 = 8.
If (5 + 1)(6 ÷ 3)(8 – 5) = (3 + 3)x, then x = ________________.
Answer(s): D
Solve the first half of the equation. (6) (2) (3) = 36. Therefore, 36 = (3 + 3)x, which turns into 36 = 6x. Isolate x. 36 ÷ 6 = 6x ÷ 66 = xTo check your answer, substitute 6 for x.
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