Write an explanation of how to change a number in decimal notation to scientific notation.
1 answer:
Answer:
Move the decimal place to the left. Determine the exponent (number of times you moved the decimaal place). Plug it into (N x 10^a)
Step-by-step explanation:
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3m-2n=19
5m+7n=11
21m-14n=133
10m+14n=22
Now add equations
31m=155
m=5
Now let's find n
3×5-2n=19
-2n=4
n=-2
Answer: (5; -2)
Answer is 7/10 (7 over 10)
Divide the two numerators and get 3.25 multiply 13 hours by that and the answer to the first part is 42.25
Answer:
the answer to your very complicated question is two.
Step-by-step explanation:
1+1=2
as you can see here, it is two.
