### Home > CCA2 > Chapter 7 > Lesson 7.1.3 > Problem 7-39

7-39.

a. | log 6 | b. | log 15 | c. | log 9 | d. | log 50 |

log 6 = log (2⋅3)

Now use the properties of logs to expand.

log2 + log3 ≈ 0.7781

Express 15 as a product of numbers whose logs are given.

See part (a).

log 9 can be rewritten as log(3 · 3) or log 3^{2}. Try both.

50 = 2 · 5^{2}