Changing bases to evaluate logarithms in exercise, use the change-of-base formula and a calculator to evaluate the logarithm. see example 9.
log4 7

The question is incomplete, the complete question is  "Changing Bases to Evaluate Logarithms in Exercise, use the change-of-base formula and a calculator to evaluate the logarithm. See Example 9.  .

Step-by-step explanation:

From the general properties or laws of logarithm, we have the

where both log are now express in the natural logarithm base.

i.e

hence we can express our .

the value of ln7 is 1.9459 and ln4 is 1.3863

Hence  .

d is correct

step-by-step explanation:

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney