Solve the problem by estimating.In 1999, the population of Capital City was 8,075,831 and the population of Spring City was 1,942,652.. Round each population to the nearest hundred-thousand to estimate the difference in the populations of the two cities.
A. 6,133,000
B. 6,300,000
C. 6,100,000
D. 6,200,000
Answer: D
Mathematics
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Solve.The following amounts show Jessica's monthly cost of owning and maintaining her car.
Determine Jessica's total montly cost for her car.
A. $503.89 B. $513.99 C. $503.99 D. $502.99
Mathematics
Provide an appropriate response.One centimeter is equal to 0.00001 kilometers. Write 0.00001 in scientific notation.
A. 1 × 105 B. 1 × 10-4 C. 1 × 10-5 D. 1 × 10-6
Mathematics
Use the Pythagorean theorem to find the length of the unknown side of the right triangle. Express your answer as a simplified radical.
A. 3
B. 9
C. 9
D. 3
Mathematics
Use the order of operations to simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Mathematics