What is the power of 10 when 157,821 is written in scientific notation

Scientific is a method of expressing numbers that are too big or too small to be conveniently written in decimal form. We write the number 157,821 by moving the decimal place to the left until the first number, taking note of the number of times you moved it. Therefore, it is written as 1.57821 x 10^5. The power of 10 would be 5.

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explanation:

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