Simplify the expression 3^-8 x 3^4
1 answer:
Answer:
3⁻⁴
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
<u>Algebra I</u>
- Exponential Rule [Multiplying]:
Step-by-step explanation:
<u>Step 1: Define</u>
3⁻⁸ × 3⁴
<u>Step 2: Simplify</u>
- Exponential Rule [Multiplying]: 3⁻⁸ ⁺ ⁴
- Combine exponents: 3⁻⁴
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Answer:
The probability that exactly two of the four live in their own household and are income-qualified is = .0975
Step-by-step explanation:
Given -
Approximately 85% of persons age 70 to 84 live in their own household and are income-qualified for home purchases.
Probability of sucess ( p ) = 85% =.85
Probability of failure ( q ) = 1 - .85 =.15
n = 4
From combination of n events taking r sucess we use binomial distribution
where , r = 2
the probability that exactly two of the four live in their own household and are income-qualified is =
=
=
= .0975