Multiply or divide by moving the decimal point.0.000247 × 100,000
A. 2.47
B. 247
C. 2470
D. 24.7
Answer: D
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (10 - 2t)i + (2 + 9t)j + (6t - 2)k, 5 ? t ? 9
A. 1694 B. 154 C. 44 D. 484
Mathematics
Do the operation and express the answer in 
form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the slope and y-intercept of the line.-x + 8y = 88
A. slope = -1; y-intercept = 88
B. slope = 8; y-intercept = -88
C. slope = - 
; y-intercept = 11
D. slope = 
; y-intercept = 11
Mathematics
Solve the problem.If Alison's company charged $101.80 for 4 hours of work, how much did they charge per hour?
A. $33.93/hour B. $29.45/hour C. $4.00/hour D. $25.45/hour
Mathematics