CPM Homework Help : A2C Problem 7-98

CPM Homework Banner

CPM Homework Banner

Home > A2C > Chapter 7 > Lesson 7.2.1 > Problem 7-98

7-98.

Consider the questions below. Homework Help ✎
1. What can you multiply 8 by to get 1?
2. What can you multiply x by to get 1?
3. Using the rules of exponents, find a way to solve m⁸ = 40. Remember that logarithms will not be useful here, but the exponent key on your calculator will be. (Obtain the answer as a decimal approximation using your calculator. Check your result by raising it to the 8^th power.)
4. Now solve n⁶ = 300.
5. Describe a method for solving x^a = b for x with a calculator.

$\frac{8}{1}\cdot\frac{?}{?}=\frac{1}{1}$

Hint (a):

Hint (b):

See part (a).

Hint (c):

Many calculators require the parentheses for this step.

Hint (d):

Use the method you found in part (c).

Hint (e):

Generalize the method you found in part (c).

© 2019 CPM Educational Program. All rights reserved.