4/5 as a decimal and How did you decide when you have calculated enough decimal places?

Mathematics

2 answers:

olga2289 [7]3 years ago

4 0

Make 4/5 into 8/10 which would make the decimal .8.

marysya [2.9K]3 years ago

3 0

Answer: .80

Step-by-step explanation: When we take the number 1 as a whole and divide it by 5 it equals .20. Or take 100 as the whole and divided by 5 is 20 Now you want 4 out of the 5 sections, and each section is .2 or 20, so you multiply that by 4 and for 4/5 the decimal is .80

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If Sandy's cookie recipe calls for 1/3 cup of brown sugar and she increases it to 2/9, how much brown sugar does she use?

expeople1 [14]

If you divide 9/2 you receive 4.5. Tho when you divide 1/3 you get .33333 (repeated), so now you know that both the fractions do not correlate. Now the 'multiples' of 1/3 are 2/ 6, 3/9, 4/12, 5/15, 6/18, 7/21 and so on. If you do the 'multiples' of 2/9 you get 4/18, 6/27. The common factors are 4/18 and 6/18. So know you know that Sandy is using 2/18 (or 1/9) cups more of sugar.

6 0

3 years ago

Read 2 more answers

A volcano on a recently discovered planet rises to a height of 16.871 mi.

Vinvika [58]

The answer is 89078.88 ft

1 mile = 5280 feet

Multiply 16.871 by the length value of 5280

16.871 * 5280 = 89078.88 ft

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2 years ago

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andreyandreev [35.5K]

Answer:

Please check the explanation.