Simplify the expression. (7.26)–9 • (7.26)10 a. 19 b. 7.26 c. –7.2619 d. 1

7.26

Explanation:
Before we begin, remember the following rule:
xᵃ * xᵇ = xᵃ⁺ᵇ
x¹ = x

Now, for the given we have:
(7.26)⁻⁹ * (7.26)¹⁰
Applying the above rules, we can simplify it as follows:
(7.26)⁻⁹ * (7.26)¹⁰
(7.26)⁻⁹⁺¹⁰
(7.26)¹
7.26

Hope this helps :)

Answers4.) -1/205.) -1/406.) -55/127.) -3/4

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