How do you write #540, 000# in scientific notation?

Answer 1

#5 times 10^5#

The original number, #540,000#, has to be reduced so that it is less than #10#.

To do this, you have to move the decimal point back five places, so that the number becomes #5 times 10^5#. The exponent is positive, because the original number is greater than #1#.

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Answer 2

Nathan Axel

To write 540,000 in scientific notation, you move the decimal point to the left until there is only one non-zero digit to the left of the decimal point. This results in 5.4 × 10^5 in scientific notation.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.