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# How do you write $0.00035$ in scientific notation?

Last updated date: 16th Jul 2024
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Hint: According to this question, first we have to make the given number
$0.00035$convert into a form which is ranging between 1 and 10. For that, we have to try to move the decimal point in such a way that the resulting number is greater than 1 but less than 10.

Complete step by step solution:
There is a form in which the standard form or the scientific notation is written. The form is:
$m \times {10^n}$; where $m$ is a number which is ranging between 1 and 10. Here $n$is the exponent which may be a positive number or a negative number.
Now, we have to convert the given question $0.00035$ in scientific notation. For that first we have to move the decimal point 4 times to the right. We can also say that we have to make the decimal point jump over 4 places to the right.
Now, the resulting number which is $m$ here is $3.5$. As we can see that the number $m = 3.5$ is ranging between 1 and 10. It is greater than 1 and less than 10.
Now, we had moved the decimal point 4 places towards the right. So, our exponent which is $n$here is going to be negative. This means that $n = - 4$.
Now, we just have to write the values of $m$ and $n$ according to the given form or formula, and then we will get our answer. So, the answer is:
$0.00035 = 3.5 \times {10^{ - 4}}$
Now, we can say that $3.5 \times {10^{ - 4}}$ is the scientific notation of $0.00035$.

Note: If $3.5 \times {10^{ - 4}}$ here is the scientific notation of $0.00035$, then $3.5e - 4$ is known as the scientific e-notation for $0.00035$. Always remember to correctly shift the decimal points and count the number of zeros properly so that there would not be any mistake.