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pishuonlain [190]
3 years ago
7

here is another one that i need help on What number represents the same amount as 7 hundreds + 0 tens + 100 ones

Mathematics
2 answers:
Stels [109]3 years ago
8 0
7 hundreds= 7x100=700
100 ones= 100x1= 100

700+100=800

answer= 800.

hope this helps:)
Liono4ka [1.6K]3 years ago
7 0
To solve for this, we need to remember some things.

Hundreds = 100.00
Tens = 10.00
Ones = 1.00

There is a difference between these and Hundredths, Tenths, and Thousandths.

Hundredths = 0.01
Tenths = 0.10
Thousandths = 0.001

Let's plug in our numbers.

We have 7 hundreds
7(100.00)

We have 0 tens
0(0.00)

We have 100 ones
100(1.00)

7(100.00) = 700.00
0(0.00) = 0.00
100(1.00) = 100.00

700.00 + 100.00 + 0.00 = 800.00

Your number is 800.00

I hope this helps!
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By <em>weighted</em> average, we need 75 liters of 24 % iodine solution and 25 liters of 40 % iodine solution to obtain 100 liters of 28 % iodine solution.

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Physically speaking, concentration is equal to the amount of solute divided by the volume of solution. We have two solutions with same solute and different concentration and can find the right proportion between the 24 % solution and the 40 % solution by concept of <em>weighted</em> average:

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By <em>weighted</em> average, we need 75 liters of 24 % iodine solution and 25 liters of 40 % iodine solution to obtain 100 liters of 28 % iodine solution.

To learn more on weighted average: brainly.com/question/18554478

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