Solve. Express your answer in scientific notation. Round to the nearest hundredth.If the mass of an object is 2.62 × 10-2 tons and its density is 3.93 × 10-6 tons per cubic foot, find the volume of this object. Use the formula D = 
.
A. 66.6 × 103 cubic feet
B. 6.66 × 104 cubic feet
C. 6.66 × 102 cubic feet
D. 6.66 × 103 cubic feet
Answer: D
Mathematics
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Write the Hindu-Arabic numeral in expanded form.1613
A. (1 × 101) + (6 × 102) + (1 × 103) + (3 × 104) B. (1 × 100) + (6 × 101) + (1 × 102) + (3 × 103) C. (1 × 103) + (6 × 102) + (1 × 101) + (3 × 100) D. (1 × 104) + (6 × 103) + (1 × 102) + (3 × 101)
Mathematics
Give an appropriate answer.Let
f(x) = 9. Find
log3 f(x).
A. 8
B. 2
C. 6
D. 
Mathematics
Use the multiplication principle to solve the equation.
? n = 
A. 5
B. 
C. 
D. 10
Mathematics
Find the area.A square measuring 13 m on a side.
A. 26 m2 B. 338 m2 C. 169 m2 D. 52 m2
Mathematics