What is the product written in scientific notation?
(2.1 x 10–2)(3.2 x 10–4)
a. 6.72 x 108
b. 6.72 x 10–6
c. 5.3 x 102
d. 5.3 x 10–6

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°