Express the number in scientific notation.74,000

A. 7.4 × 103
B. 7.4 × 10-3
C. 7.4 × 104
D. 7.4 × 10-4  

Answer: C

Mathematics

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Multiply and simplify.( + )2 

A. 7x + 2 + y
B. 49x2 +  + y2
C. 49x2 + 2 + y2
D. 7x +  + y

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Write the decimal as a percent.0.57

A. 5.7% B. 0.057% C. 570% D. 57%

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Provide an appropriate response.On the bottom of the check, the checking account number is printed in:

A. script B. magnetic tape C. magnetic ink D. capitals

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Find the x- and y-intercepts. Then graph the equation.y = 7

A. (7, 0); none

B. (7, 0); none

C. None; (0, 7)

D. None; (0, 7)

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Mathematics