Answer
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Hint: Summation of all three numbers can be given as, $ Total=a+b+c $ . For example, summation of three number i.e. 0.1, 0.2, 0.3 is given as $ Total=\ 0.1+0.2\ +0.3=0.6 $ . Now, using this same concept we will solve the problem and find our answer.
Complete step-by-step answer:
In question, we are given only three decimal numbers i.e. 0.007, 8.5, 30.08. So, first we will do a summation of the first 2 numbers i.e. 0.007, 8.5. So, we can write 8.5 as 8.500 as in 0.007 there are three decimal places so, to match we can write it as
\[\begin{align}
& \text{ }0.007 \\
& +8.500 \\
& \overline{\text{ }8.507} \\
\end{align}\]
Here, the answer we got is in three decimal places,Summation of all three numbers can be given as, $ Total=a+b+c $ . So, now we will write 30.08 as 30.080 i.e. up to three decimal places. So, on adding we get as
\[\begin{align}
& \text{ 8}.507 \\
& +30.080 \\
& \overline{\text{ 3}8.587} \\
\end{align}\]
Thus, the sum of $ 0.007+8.5+30.08 $ is 38.587.
Note: Be careful in addition to these decimal numbers. There are chances of calculation error in this problem. Instead of taking 30.08 students might take it as 30.80 and then it will affect the final answer which will be 39.307 which will be wrong. So, do not make this mistake.
Complete step-by-step answer:
In question, we are given only three decimal numbers i.e. 0.007, 8.5, 30.08. So, first we will do a summation of the first 2 numbers i.e. 0.007, 8.5. So, we can write 8.5 as 8.500 as in 0.007 there are three decimal places so, to match we can write it as
\[\begin{align}
& \text{ }0.007 \\
& +8.500 \\
& \overline{\text{ }8.507} \\
\end{align}\]
Here, the answer we got is in three decimal places,Summation of all three numbers can be given as, $ Total=a+b+c $ . So, now we will write 30.08 as 30.080 i.e. up to three decimal places. So, on adding we get as
\[\begin{align}
& \text{ 8}.507 \\
& +30.080 \\
& \overline{\text{ 3}8.587} \\
\end{align}\]
Thus, the sum of $ 0.007+8.5+30.08 $ is 38.587.
Note: Be careful in addition to these decimal numbers. There are chances of calculation error in this problem. Instead of taking 30.08 students might take it as 30.80 and then it will affect the final answer which will be 39.307 which will be wrong. So, do not make this mistake.
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