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nasty-shy [4]
3 years ago
14

Write the expression 3 +2 x 20

Mathematics
2 answers:
mote1985 [20]3 years ago
8 0
PEMDAS
YOU DO THE MULTIPLYING FIRST

2*20=40
40+3=43
prohojiy [21]3 years ago
3 0
3+2 x20
3+2=5
5x20=
100
Hope this helped.
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Step-by-step explanation:

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Explain how to write 1.25 times 10 to the negative third power in standard form
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This is called "Scientific Notation"

1.25 \times {10}^{ - 3}
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So, since it is negative then we will be moving the decimal point to the left. And, if it was a positive 3 then we'd move the decimal point to the right!

We will be moving it to the left "3" times because it says - 3 not - 5, etc...
1.25 \times {10}^{ - 3} = 0.00125
So just move the decimal 3 times in this case and there you go, your standard form. I forgot what the other form is but I can still solve for it...

I hope this helped if you have any questions then feel free to ask!!
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Paha777 [63]

Answer:

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Step-by-step explanation:

sorry if its wrong

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Please answer as fast as possible
elena-14-01-66 [18.8K]

Answer:

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