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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter 1.5, Problem 1E

(a)

To determine

**To simplify:** The expression

Expert Solution

The expression

**Law of exponents:**

If *x* and *y* are positive numbers and *m* and *n* are real numbers, then

**Calculation:**

Use the rule,

Express 4 as a power of 2,

Use the law

Then, use the law

Thus, the given expression is simplified as

(b)

To determine

**To simplify:** The expression

Expert Solution

The expression

**Law of exponents:**

If *x* and *y* are positive numbers and *m* and *n* are real numbers, then

**Calculation:**

Use the rule,

Use the law

Use the rule,

Thus, the given expression is simplified as