How do you write #18times10^3# in scientific notation?

Answer 1

#18xx10^3=1.8xx10^4#

In scientific notation, we write a number so that it has single digit to the left of decimal sign and is multiplied by an integer power of #10#.

In other words, it is written as #axx10^n#, where #1<=a<10# and #n# is an integer.

Now in #18xx10^3#, we have #18# which is greater than #10#. Hence, we should reduce it to #1.8#. As such

#18xx10^3=1.8xx10xx10^3=1.8xx10^4#

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Answer 2

Zoe Adams

18 times 10^3 in scientific notation is written as 1.8 x 10^4.

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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.