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fomenos
3 years ago
5

Please help with this maths question!??

Mathematics
1 answer:
tia_tia [17]3 years ago
4 0

Answer:

2.44746×10⁶

Step-by-step explanation:

R=(3.8×10⁵)²/5.9×10⁴

=3.8²×10¹⁰/5.9×10⁴

=1.444×10¹¹/5.9×10⁴

=1.444×10⁷/5.9

=361×10⁷/1475

=2.44746×10⁶

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2 years ago
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goldfiish [28.3K]

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7 0
3 years ago
Julie had $20.00 in her pocket. She spent $7.40. About what percent of her money does she still have?
posledela

63%


First, we have to take 20.00 - 7.40 which gets us 12.60.


Then, we use the formula where we put the 12.60 on top of a fraction bar, and the 20.00 on bottom.

We do 12.60 x 100 which makes 1260.


Lastly, we divide that by the 20.00 which gets us 63.


So, Julie has 63% of her money left.


I hope this helped!!!

4 0
1 year ago
What is her answer ?
mihalych1998 [28]

Answer:

4

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Step-by-step explanation:

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