Answer:

Step-by-step explanation:
Given
See attachment for question
Required
Solve
We have:

Take LCM and solve


9⁹ ÷ 9⁶.
The expression 9³ is equivalent to 9⁹ ÷ 9⁶.
Using the law of exponents aⁿ÷aˣ = aⁿ⁻ˣ
9⁹÷9⁶= 9⁹⁻⁶ = 9³
Answer:
No, there is not a significant difference
Step-by-step explanation:
The sample mean (1.3) is less than the sample standard deviation (1.9). The sample mean would have to be greater than 1.9 for there to be a significant difference
2 x (multiplication sign, not an x) (x+7) or 2(x+7)
Answer:
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Step-by-step explanation:
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