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Write 4.272 x 10^-6 in decimal form.


Sagot :

It will be easier for you to see if you first write it as a rational number, then as a decimal number.

[tex]10^{-6}[/tex] means we take [tex]6th[/tex]  power of [tex]10[/tex] , then take the reciprocal of it.

[tex]6th[/tex]  power of [tex]10[/tex] is [tex]1000000[/tex] , and reciprocal of it is [tex]\frac{1}{1000000}[/tex]

If we write it as a decimal number, the answer would be 0.000004272

Answer:

Step-by-step explanation:

10^-6 = a millionth of 1 = 0.000001

Change 4.272 into 4272

replace the last 4 digits to 4272

We get

0.004272