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Best Answer

45*20*20cm=

180,000 mm3

18,000 cm3

1,800 dm3

180 m3

18 Dm3

1.8 hm3

0.18 km3

* * * * *

18,000 cm3 is correct but all the other numbers are wrong.

1 cm = 10 mm so 1 cm3 = 10 mm * 10 mm * 10 mm = 1000 mm3

so the correct values are 18,000,000 mm3 or 0.018 m3.

And 1.8*10-11 km3 , the correct answer is a billionth of the rubbish given in the prvious answer!

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Q: How much is 45 x 20 x 20 cm3?
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What do you times by 20 to get 45?

2.25 x 20 = 45


Aluminum has a density of 2.7 g cm3 How many grams of aluminum make up a sheet of aluminum foil that is 45 cm 30 cm 0.0010 cm?

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20 percent of 45 = (20 / 100) x 45 = 9.


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Answer: 45% Work: 20 is decreased to 11 9 = D x 20 --- ---- 20 20 20 divided by 9 = .45 .45 as a percent = 45 %


45 is 20 percent of what number?

Well 20% is 1/5 so to get to 100% you need to multiply by 5: 20% x 5 = 100% and 45 x 5 = 225


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45 x 0.2 = 9


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20% off $45 20% equates to 20/100 so 20% of 45 = 45 x 20/100 = 9. 20% of $45 = 9 Therefore 20% off $45 = 45 - 9 = $36


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To find the number that 45 is 20% of, you can set up a proportion. Let x be the unknown number. The proportion would be: 45/x = 20/100. Cross multiply to solve for x: 45 * 100 = 20x. Simplify the equation to find x: 4500 = 20x. Divide both sides by 20 to solve for x: x = 225. Therefore, 45 is 20% of 225.


What is 45 x 20?

900