Find the area.
a = 46 yd. b = 42 yd
A. 970 yd2
B. 490 yd2
C. 1900 yd2
D. 880 yd2
Answer: A
Mathematics
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If n is a natural number, then 10-n = 
. Negative powers of 10 can be used to write the decimal part of Hindu-Arabic numerals in expanded form. Express the expanded form as a Hindu-Arabic numeral.(3 × 10-1) + (7 × 10-2) + (9 × 10-3)
A. 3.79 B. 0.190 C. 0.379 D. 19
Mathematics
Multiply the polynomials.(x + 1)(x - 1)(5x - 8)
A. 5x3 - 18x2 + 21x - 8 B. 5x3 - 8x2 - 5x + 8 C. 5x3 + 2x2 - 11x - 8 D. 5x3 - 8x2 + 5x - 8
Mathematics
Simplify the radical expression. Assume all variables represent positive real numbers.
A. 8
B. 
C. 4,096
D. not a real number
Mathematics
List the terms of the expression.4x3 + 5x2 - 3x + 6
A. 4x3, 5x2, -3x, 6 B. 4, x3, 5, x2, -3, x, 6 C. 4x3, 5x2, 3x, 6 D. 4x3 + 5x2, -3x + 6
Mathematics