Solve.If an earthquake measured 8.3 on the Richter scale, what was the intensity of the earthquake in terms of I0? The magnitude on the Richter scale of an earthquake of intensity I is 

A. 4020? I0
B. 199,526,231 ? I0
C. 19,952,623? I0
D. 158,489,319? I0


Answer: B

Mathematics

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Use the substitution formula to evaluate the integral.

A.
B. - 
C. - 
D. - 

Mathematics

Solve the problem.For 2009, the government of Country X collected $2.1 trillion in revenues, but spent $8.7 trillion. Write the government's budget deficit as a signed number.

A. -$10.8 trillion B. $6.6 trillion C. $10.8 trillion D. -$6.6 trillion

Mathematics

Simplify the expression.

A.
B.
C.
D.

Mathematics

Consider the apportionment problem. North:14,500South:14,000East:17,100West:18,400Use Adam's assuming there must be 26 representatives.

A. N     S     E     W6     6     7     7? B. N     S     E     W6     7     7     6? C. N     S     E     W5     6     8     7? D. N     S     E     W7     5     8     6? E. N     S     E     W5     7     8     6?

Mathematics