Write the number in scientific notation.0.000000013208

A. 1.3208 × 10-8
B. 1.3208 × 10-7
C. 1.3208 × 10-9
D. 1.3208 × 108


Answer: A

Mathematics

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Solve the initial value problem.Differential Equation:  = -3ti + 7tj + 9tkInitial Condition: r(0) = -3i + 3k

A. r(t) = i + t2j  -  k
B. r(t) = i + t2j  +  k
C. r(t) = (-3t2 - 6)i + 7t2j  + (9t2 + 6)k
D. r(t) = i + t2j  +  k

Mathematics

The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. s (m)When is the body moving forward?

A. 0 < t < 1, 3 < t < 4, 5 < t < 7 B. 0 < t < 3, 3 < t < 5, 5 < t < 8 C. 0 < t < 8 D. 0 < t < 1, 3 < t < 4, 5 < t < 7, 9 < t < 10

Mathematics

Provide an appropriate response.Solve 2q - 1 = 2(1 - q)

Fill in the blank(s) with the appropriate word(s).

Mathematics

Express as a sum of logarithms.ln 0.7b

A. ln 0.7 - ln b B. ln(0.7 + b) C. ln 7 - ln b D. ln 0.7 + ln b

Mathematics