Erika received scores of 82,87,93,95,88,90 on math quizzes. what score does erika need to get on her next quiz to have the average of 90?

123

step-by-step explanation:

agngel

your answer is b ^w^ hope i

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like:

it goes right