Simplify.5 ? {(300 - 95 ÷ 5) - [3 ? 27 - (8 - 2 ? 3)]}
A. 960
B. 2786
C. 1010
D. 490
Answer: C
Mathematics
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Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
Factor the special products.r2 + 2r + 1
A. (r - 1)(r + 1) B. (r + 1)2 C. (r - 1)2 D. (r + 2)(r - 2)
Mathematics
Factor the trinomial completely.3x3 + 12x2 - 36x
A. 3x(x - 6)(x + 2) B. 3x(x + 6)(x + 2) C. 3x(x - 6)(x - 2) D. 3x(x + 6)(x - 2)
Mathematics
Perform the indicated operation and simplify.
- 
A. 
B. 
C. x + 4
D. 
Mathematics