4 years ago

Whats the purpose of scientific notation

1 answer:

4 0

Answer:

The purpose of scientific notation is to make the numbers and quantities used easier to comprehend, to read and to write.

Step-by-step explanation:

The purpose of scientific notation is to make the numbers and quantities used easier to comprehend, to read and to write.

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Corey bought 2 1/2 liters of paint for $60<br> What was the cost per liter of paint?

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$24 you divide 60 by 2 1/2

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4 years ago

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3 years ago

Shelly has a roll of fabric and decides to make some scarves for her friend the roll contains 6 2/3 yards of fabric she needs 5/

ivann1987 [24]

Answer:

Step-by-step explanation:

Total length of the fabric is $6\dfrac{2}{3}=\dfrac{20}{3}\ \text{yards}$

We need to find the number of scarves can she make if she needs 5/6 of a yard for each scarf.

Let she needs x scarves. So, ATQ

$x\times \dfrac{5}{6}=\dfrac{20}{3}\\\\x=\dfrac{20}{3}\cdot\dfrac{6}{5}\\\\x=8$

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3 years ago

Prime number between 60 and 80 with the 10’s digit being one less than the 1st digit

erastova [34]

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You can also just look up a list of prime numbers online.

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4 years ago

What is the slope of the line whose equation is 2x - 4y = 10?

sertanlavr [38]

Answer:

1/2

0.5

Step-by-step explanation:

you need to get the line in the form of y = mx + b

2x - 4y = 10 Subtract 3x from both sides

-4y = - 2x + 10 3x on the left disappears. Divide by - 4

-4y/-4 =-2x/-4 +10/-4 Do the division

y = (2/4)x - 2.5

y = (1/2)x - 2.5

The slope is the number in front of the x

y = 0.5x - 2.5

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