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Natali [406]
3 years ago
15

What is the simplified form of this expression, written in scientific notation? (3.276×105)×400,000÷(3.9×106)

Mathematics
2 answers:
melomori [17]3 years ago
5 0

Answer:

(343.98)x400,000/(413.4)

137,592,000/413.4

332,830.188679

Step-by-step explanation:

vlada-n [284]3 years ago
3 0
(343.98)x400,000/(413.4)
137,592,000/413.4
332,830.188679
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Three friends fill bags with trash at a neighborhood cleanup. Randall's bag weighs
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Answer:

Randall picks up 68 pounds

Seth picks up 40 pounds

Joanna picks up 52 pounds

Step-by-step explanation:

Let us make an equation in x to find it

∵ Randall's bag weighs  3x - 7 pounds

∵ Joanna's bag weighs  2x + 2 pounds

∵ Seth's bag weighs 2x - 10 pounds

∵ Randall's and Joanna's bags weigh 3 times as much as  Seth's bag

- That means add Randall's bag and Joanna's bag and equate

    the sum by 3 times Seth's bag

∵ Randall's bag + Joanna's bag = 3(Seth's bag)

∴ (3x - 7) + (2x + 2) = 3(2x - 10)

- Simplify the two sides

∴ (3x + 2x) + (-7 + 2) = 3(2x) - 3(10)

∴ 5x + (-5) = 6x - 30

∴ 5x - 5 = 6x - 30

- Add 5 to both sides

∴ 5x = 6x - 25

- Subtract 6x from both sides

∴ -x = -25

- Divide both sides by -1

∴ x = 25

Substitute x by 25 in the weight of each bag

∵ Randall's bag weighs = 3(25) - 7 = 75 - 7

∴ Randall's bag weighs = 68 pounds

∵ Seth's bag weighs = 2(25) - 10 = 50 - 10

∴ Seth's bag weighs = 40 pounds

∵ Joanna's bag weighs  = 2(25) + 2 = 50 + 2

∴ Joanna's bag weighs  = 52 pounds

7 0
3 years ago
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Taya2010 [7]

Answer:

All A. B. C. D.

Step-by-step explanation:

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3 years ago
You buy a house for $230,000. It appreciates at a rate
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Answer:

1,232,142

Step-by-step explanation:

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2 years ago
35 is what percentage of 60
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To find this out, divide 35 by 60:

35/60 = .583333333333

So 35 is 58.3% of 60.

Hope this helps!
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3 years ago
Which is the best estimate?
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7.5 bbbbbbbbbbbbbbbbbb
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