Evaluate 7r - 15/s when r=3 and s=5
2 answers:
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Answer:
n³ · s³ · 2²
Step-by-step explanation:
Hi!
An exponent is determined by the number of copies by any set number(n.)
I your case, all we have to do is count the number of each variable and number and that will be what the power(exponent) will be.
n: 3
s: 3
2: 2
So we will have n³ · s³ · 2² according to the piece of information shown above.
Thus, the answer to your question is .
Hope this helps!
2.9 percent of Ramon's earnings are spent on electricity each month.
<u>Step-by-step explanation:</u>
given
Amount that Ramon earns each month=$1835
Amount Ramon pays on electricity=$53.5
we have to calculate what percentage of $1835 is $53.5
The amount spent on electricity is 2.9% of his earnings