Hey there!
10^8 = 10 • 10 • 10 • 10 • 10 • 10 • 10 • 10 = 100 • 100 • 100 • 100 ➡️ 100,000,000
10^2 = 10 • 10 ➡️ 100
(6.3 • 100,000,000) ÷ (9 • 100)
6.3 • 100,000,000 = 630,000,000
9 • 100 = 900
630,000,000/900 = 700000
Answer: 700,000 ☑️
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Answer:
A. 6.5
Step-by-step explanation:
First we find the average 
of the 9 data:
Where n is the data number, that in this case is 9.
The formula of the standard deviation 
is:
We replace the data and find the value of the standard deviation:
We approximate the number and the solution is 6,5
Answer:
change in saving account balance is -$149.98
Step-by-step explanation:
The computation of the change in saving account balance is as follows;
= Total amount changed in the saving account balance ÷ number of monthly payments
= -$1,799.76 ÷ 12 monthly payments
= -$149.98
Hence, the change in saving account balance is -$149.98
The same is relevant
Remember that scientific notation always contains a number between 0 and 10 that is multiplied by ten to some power. In this case, to get a number between 0 and 10 (7.2) we would move the decimal point once to the right. Since it is moving to ththe right, the exponent over the 10 will be negative, and it will be -1 because we moved the point once. So the answer is 7.2*10^-1
Hope this helps
