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How do you write #1.91 times 10^-3 # in standard notation?

Answer 1

Eli Assouline

To write 1.91 times 10^-3 in standard notation, it is written as 0.00191.

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Answer 2

Genesis Allen

#1.91xx10^-3 = 0.00191#

In standard notation, a number is expressed simply using its digits.

#10^-3# can be written #0.001#, therefore

#1.91xx10^-3# can be written #1.91xx0.001#.

Multiplying #1.91" by "0.001# yields 0.00191.

Hope this is helpful, Steve.

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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.

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