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Ch. R - Review of Basic Concepts
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063당신이 사용하는 게 아니라요?교과서 변경
1장, 문제 55

Simplify each expression. Write answers without negative exponents. Assume all variables represent nonzero real numbers. 64/6-2

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Identify the expression to simplify: \(\frac{6^{4}}{6^{-2}}\).
Recall the quotient rule for exponents: \(\frac{a^{m}}{a^{n}} = a^{m-n}\), where \(a\) is a nonzero base.
Apply the quotient rule to the expression: \(6^{4 - (-2)}\).
Simplify the exponent by subtracting the exponents: \(4 - (-2) = 4 + 2\).
Rewrite the expression with the simplified exponent: \$6^{6}$. This expression has no negative exponents.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Laws of Exponents

The laws of exponents govern how to simplify expressions involving powers. For division, subtract the exponent of the denominator from the exponent of the numerator when the bases are the same, i.e., a^m / a^n = a^(m-n). This rule is essential for simplifying expressions like 6^4 / 6^-2.
추천 영상:
04:06
Rational Exponents

Negative Exponents

A negative exponent indicates the reciprocal of the base raised to the positive exponent, such as a^(-n) = 1 / a^n. To write answers without negative exponents, convert any negative powers into their reciprocal form, ensuring the expression contains only positive exponents.
추천 영상:
6:37
Zero and Negative Rules

Simplification of Expressions

Simplification involves rewriting expressions in their simplest form by applying algebraic rules. This includes combining like terms, reducing powers using exponent laws, and eliminating negative exponents. Simplifying makes expressions easier to understand and use in further calculations.
추천 영상:
05:09
Introduction to Algebraic Expressions