# math - please check me

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Identify the amount in the following application
In a shipment if 1200 parts, 60 were found to be detective. What percent of the parts were faulty?
a. 60
b. 1200
c. what percent
d. shipment

Write the following in the standard form of a number.
Two billion, nine hundred forty million

Flor is putting a fence around a field. The field is rectangular and measures 9.84 yards (yd) long and 18.39 yds wide. How much fence must Flor purchase
a. 28.23
b. 38.07
c. 56.46
d. 46.62

Use 3.14 for ï and round your answer to one decimal place.
Find the area of the shaded part. (shaded part is 15ft & 15ft
a. 225.0 ft^2
b. 176.6ft^2
c. 481.5ft^2
d. 48.4ft^2

How many grams (g) are there in 7.4 kilograms (kg)? Multiply by 1,000 to make the conversion.
a. 74
b. 7400
c. 740
d. 74,000

Write in decimal form
8 583/10,000
a. 85,830
b. 8.583
c. 8.0583
d. 8.00583

• math - please check me -

I don't understand 1.
2 is ok.
3 is incorrect.
4. I don't know the shape of the diagram. If it is a square with 15 ft on a side the area is 225 and you don't need pi in the calculation. If it is a circle with the diameter of 15 ft then the area is 176.7 ft^2.
5. The conversion to grams is ok.
6. I don't see a decimal in 8583/10,000 and that in decimal form is 0.8583 which is not one of the answers.
Have I missed something?

• math - please check me -

Write in decimal form. Write answer in lowest terms
8 583/10,000

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