Write the number in scientific notation.0.000838
A. 8.38 × 104
B. 8.38 × 10-4
C. 8.38 × 10-5
D. 8.38 × 10-3
Answer: B
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Solve the problem.Given that src="https://sciemce.com/media/4/ppg__question0423191135__f1q1g5.jpg" alt="" style="vertical-align: -4.0px;" />
A. 85°
B. -105°
C. 115°
D. 95°
& 
, find the measure of angle x.
Solve the problem.The new city park is a rectangle 51
yards by 42 yards. What is the area of the park in square yards?
A. 45
square yards
B. 2069
square yards
C. 3 square yards
D. 2163 square yards
Find the sum.13
+ 
A. 6
B. 19
C. 6
D. 18
Solve the problem.The demand equation for a certain product is P = 75 - 0.001x, where x is the number of units sold per week and P is the price in dollars at which one is sold. The weekly revenue R is given by 
What number of units sold produces a weekly revenue of $60,000?
A. 59,925,000 units B. 792 units C. 74,191 units D. 809 units