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Current Events > @MATH People: are these scientific notation problems right?

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Awards
10/20/21 10:52:11 PM
#1:


Are they right?


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ZMythos
10/20/21 10:54:06 PM
#2:


I'd say so.

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Rainbow Dashing: "it's just star wars"
AutumnEspirit: *kissu*
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Medussa
10/20/21 10:54:20 PM
#3:


7.5x10^-1

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Boom! That's right, this is all happening! You cannot change the channel now!
the media's gonna put a negative spin on this, like when we killed that guy.
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#4
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Awards
10/20/21 10:56:14 PM
#5:


Thanks guys.
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Naysaspace
10/20/21 10:59:14 PM
#6:


cuh posted...
In #7, remove the decimal point in your answer
This

Otherwise, correct

Here's some cheatcode tips from a math savant. Friend of a friend of mine:

When trying to determine the exponent on the 10, it's the number of DIGITS after the first number, not the number of zeroes. 1,290,000 has 6 DIGITS, so it's 1.29 x 10^6

For negative exponents:

Same thing. Count the number of digits, up to and INCLUDING the first non-zero digit. For problem six, you have six 0's and one 1. That's seven total. Thus, it's 1.03 x 10^(-7)

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#BladeGang
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Awards
10/20/21 11:01:47 PM
#7:


Naysaspace posted...
This

Otherwise, correct

Here's some cheatcode tips from a math savant. Friend of a friend of mine:

When trying to determine the exponent on the 10, it's the number of DIGITS after the first number, not the number of zeroes. 1,290,000 has 6 DIGITS, so it's 1.29 x 10^6

For negative exponents:

Same thing. Count the number of digits, up to and INCLUDING the first non-zero digit. For problem six, you have six 0's and one 1. That's seven total. Thus, it's 1.03 x 10^(-7)
Great tip. I appreciate you writing all that out.
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