How do you simplify and write #(2.3times10^6)(4.2times10^-11)# in standard form?

Answer 1

To simplify and write (2.3 times 10^6) times (4.2 times 10^-11) in standard form, you first multiply the coefficients (2.3 and 4.2) and then add the exponents of 10.

2.3 * 4.2 = 9.66 10^6 * 10^-11 = 10^(6 - 11) = 10^-5

Therefore, (2.3 times 10^6) times (4.2 times 10^-11) in standard form is 9.66 times 10^-5.

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Answer 2

Julia Adams

#9.66xx10^(-5)#

At first, don't worry about the decimal; instead, write as

#23/10xx10^6xx42/10xx1/10^11#

#23xx42xx10^5xx1/10^12#

#966xx1/10^7#

#9.66 xx10^2/10^7#

#9.66xx10^(-5)#

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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.