Answer:
A : A1 = -7, an = an-1 + 3
Step-by-step explanation:
a1=-7, a2=-7+(1)3=-4
a3=-7+(2)3=-1
Answer:The answer is 90.
Step-by-step explanation: 7+8=15
15x6=90
Answer:
Step-by-step explanation:
3
The number that was left out is 70.
<h3>What is the number that was left out?</h3>
Average is the sum of a set of numbers divided by the total numbers in the data set.
Average = sum of numbers / total numbers
- Sum of numbers when there are 8 numbers = 56 x 8 = 448
- Sum of numbers when there are 7 numbers = 54 x 7 = 378
- Difference = 448 - 378 = 70
To learn more about average, please check: brainly.com/question/25842202
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Answer:
(d) 1/5^7
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)/(a^c) = 1/(a^(c-b))
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