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horsena [70]
2 years ago
6

How many atoms would be contained in 454 grams of iron (fe).

SAT
2 answers:
Korvikt [17]2 years ago
7 0

Answer:

4.89 x 10^24 atoms

Explanation:

you can say 4.9 x 10^24 atoms too

the 24 is the exponent for the 10

Andrew [12]2 years ago
5 0

Answer:

4.90 x 10^24 atoms

Explanation:

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A company ordered $400 worth of muffins. Bran muffins cost $2 each and blueberry muffins cost $4 each. If the company ordered tw
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Let the number of Bran muffins ordered = x

The number of Blueberry muffins ordered = 2x <em>(it is given that the number of blueberry muffins is twice the number of bran muffins)</em>

<em />

The cost of Bran muffins ordered = Number of Bran muffins * cost of 1 muffin

Cost of Bran muffins ordered = x * 2

Cost of Bran Muffins ordered = $ 2x

The cost of Blueberry muffins ordered = Number of Blueberry muffins * Cost  of 1 blueberry muffin

Cost of Blueberry muffins ordered = 2x * 4

Cost of Blueberry muffins ordered = $ 8x

Since the sum of costs of Blueberry and Bran muffins is $400

Cost of Bran muffins + Cost of Blueberry muffins ordered = 400

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10x = 400

x  = 40

Hence, the number of Bran muffins ordered is 40

we are told that the number of Blueberry muffins is twice the number of Bran muffins

So,

Blueberry muffins  = Bran muffins * 2

Blueberry Muffins = 40 * 2

Blueberry muffins = 80

So, the number of Blueberry muffins is 80

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