Write the number in ordinary notation.7.8 × 106
A. 78,000,000
B. 7,800,000
C. 780,000
D. 468
Answer: B
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Round each number to its highest place value to estimate the product or quotient.36,760 ÷ 508
A. 100 B. 80 C. 40 D. 60
Substitute the given values into the formula and then evaluate to find the unknown quantity. Label units in your answer. If the answer is not exact, round your answer to the nearest hundredth.A = ?r2; r = 8, ? = 3.14
A. 11.14 B. 200.96 C. 25.12 D. 78.88
Provide an appropriate response.Suppose f is a linear function with slope -3 and f(2) = 5. Find f(x).
A. f(x) = -3x + 11 B. f(x) = -3x + 7 C. f(x) = -3x + 5 D. f(x) = -3x + 13 E. f(x) = -3x + 2
The table lists data that are exactly linear. (i) Find the slope-intercept form of the line that passes through these data points. (ii) Predict y when x = -1.5 and 4.6. 
A. y = 2.2x - 7.9; y = -11.2, y = 2.22 B. y = 2.2x + 7.9; y = 4.6, y = 18.02 C. y = 2.2x - 0.9; y = -4.2, y = 9.22 D. y = -2.2x + 7.9; y = 11.2, y = -2.22