The length of the line when the 10 million ants with length equal to 20 x 10^-3 m long is put into a line, is 200,000 m.
What is the exponent power with base 10?
To write the big number in short form, we write them in the positive power of 10.
To write the very small number, we write them in the negative power of 10.
The length of an ant is 20 x 10^-3 m long. There is total 10 million ants which are in a line.
To find the length of the line, we have to multiply the 20 x 10^-3 m with 10 million. Thus, the length of the line is,
[tex]n=20\times10^{-3}\times10000000\\n=20\times10^{-3}\times10^7\\[/tex]
In the multiplication of two number with same base, the power is added. Thus,
[tex]n=20\times 10^{-3+7}\\n=20\times 10^{4}\\n=200000\rm\; m[/tex]
Thus, the length of the line when the 10 million ants with length equal to 20 x 10^-3 m long is put into a line, is 200,000 m.
Learn more about the exponents with base 10 here;
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