Estimate the sum or difference by first rounding as indicated.Estimate by first rounding to the nearest thousand.248244666992

A. 19,400
B. 18,000
C. 19,000
D. 19,500

Answer: B

Mathematics

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A. Local maximum: 0.1; no local minimum B. Local maximum: 0.1; local minima: ±24.9 C. Local maximum: 0; no local minimum D. Local maximum: 0; local minima: ±22.4

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Insert parentheses where needed so that the expression evaluates to the given number.2 ? 60 ÷ 3 - 15; evaluates to 25

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A. 2z3
B. 3z3
C. 3z3
D. 2z3

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