The quotient of 8.4 x 10^9 and a number n results in 5.6x 10^27. What is the value of n?
O 1.5x 10-18
O 1.5x 10°
O 1.5x 103
O 1.5x 1018

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Explain how you can use the associative property to evaluate (7x50)x4.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)