Write the number without exponents.3.985 × 106

A. 39,850,000
B. 3,985,000
C. 398,500
D. 239.1


Answer: B

Mathematics

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A. -144 B. -132 C. -232 D. -1320

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Tell whether the parabolic graph of the equation opens up, down, to the left, or to the right. ? ?

A. opens to the right B. opens to the left C. opens up D. opens down

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Simplify the exponential expression. Assume that variables represent nonzero real numbers.(-2x4y-5)(5x-1y)

A.
B.
C.
D. -10x3y6

Mathematics

Estimate  of the function . ?

A.
B.
C. ?
D.
E.

Mathematics