2 years ago

(3.8 x 10^5) + (5.7 x 10^5) answer in scientific notation

1 answer:

5 0

Answer: 5.738 x 10^7

Solving Steps:
(3.8 x 10^5) + (5.7 x 10^5)
3.8 x 10^5 + 5.7 x 10^5
(3.8 + 5.7 x 10^2) x 10^5
...Rest of work

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Edward opens a new account and makes a deposit of $150. He then makes withdrawals of $10, $20 and $25, before depositing $30 mor

Hunter-Best [27]

The new balance is $125
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150-10-20-25 = 95
95 + 30 = 125

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2 years ago

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What is the distance between the points (-5,6) and (7,3)? a 8.06 b 12.37 c 11.40

julia-pushkina [17]

Hey there! I'm happy to help!

Here's how to find the distance between any two points.

Find the difference of the x values.

-5-7=-12

Square it.

-12²=144

Find the difference of the y values.

6-3=3

Square that.

3²=9

Add the two numbers we got.

144+9=153

√153≈ 12.37.

Have a wonderful day! :D

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2 years ago

4. What's the sum of 2/5 and 2/4<br> OA.6/7<br> OB. 10/20<br> cho. 8/20<br> D. 9/10

dalvyx [7]

Are we just adding fractions ? bc if it is then its D. 9 over 10

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2 years ago

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OKay so I know its kinda a lot but your just correcting the ones that are wrong. My answer is the blue.

Aleks04 [339]

Both your answers in blue are correct. The first question posted, when flipped and multiplied, much cancels out leaving :

$= \frac{18x^{2}( 5x^{2}+1 ) }{6 x^{5} ( 5x^{2}-1) } \\ \\ = \frac{3( 5x^{2}+1 ) }{ x^{3} ( 5x^{2}-1) }$

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2 years ago

John is 5 years younger than David. Four years later David will be twice as old as John. Find their present age.

Harrizon [31]

David will be 10 and John will be 9

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