Simplify the expression. Write the answer using scientific notation.

1 answer:

8 0

We are given with two distances: 5,880,000,000,000 miles and 15.8 light-years. we convert first the light-years distance through the speed of light : 3 x 108 m/s. v = d/t; d = 3x10 8 m/s * 15.8 light years * 31536000 s = 1.4948 x1017 m = 9.28829 x 1013 miles. The difference thus is 8.70029 x 1013 miles

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2. George estimates that each bale of hay in his field weighs 62.5 pounds on

saw5 [17]

Answer:

4 trips

Step-by-step explanation:

there are 892 bales of hay

each one weighs about 62.5 pounds

892 * 62.5 = 55,750

George's truck can only carry 8 tons

1 ton = 2,000 pounds

2,000 * 8 = 16,000 pounds

So,

55,750 / 16,000 = 3.484375

But since you can't make 3.484375 trips in a truck, round it up.

3.484375 rounded up equals 4

George has to take 4 trips

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3 years ago

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Evaluate each expression.

Airida [17]

1) 8 + 10 = 18
2) f / d
3) 8 + 7
4) 2 x 5

I hope this helps! Sorry if I did it incorrectly! ❤️ Have a nice day!

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3 years ago

Kenny's Designs sells 140 shirts and 63 hats per week. Which of the following equations can be used to calculate the number of h

antoniya [11.8K]

The answer would be C because 63 hats were sold and nine would be the amount of shirts he sold in x amount of days

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3 years ago

Write 647 divided by 20 in a mixed number

BaLLatris [955]

I think its 32 and 7/10

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3 years ago

Solve the radical equation.<br> √x − 1 + 5 = 9

Rudik [331]

Answer:

Step-by-step explanation:

square root of x-1 +5=9

square root of x-1 = 4multiple by power of 2 because square root is cancled by 2.

x-1=16,x=17

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2 years ago

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