How do you change a fraction to a decimal

Answers

Answer 1

Answer:
A fraction is a short way of writing a division problem.
When you see a fraction, it means

(the top number) divided by (the bottom number).

If you go ahead and actually do the division, the answer to it
is the decimal form of the fraction.

Examples:

Fraction 1/2 . 1 divided by 2 = 0.5 .

Fraction 1/4 . 1 divided by 4 = 0.25 .

Fraction 3/10 . 3 divided by 10 = 0.3 .

Answer 2

Answer: To convert a Fraction to a Decimal manually, follow these steps: Step 1: Find a number you can multiply by the bottom of the fraction to make it 10, or 100, or 1000, or any 1 followed by 0s. Step 2: Multiply both top and bottom by that number.

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How do you find an equal ratio for example is 63:27 14:6 a equivalent ratio?

Answers

Answer:

Step-by-step explanation:

Find a common denominator or greatest common factor. 63 and 27 are both multiples of 9. When you divide each by 9 you get 7:3. 14 and 6 are both multiples of 2. When you divide each by 2 you get 7:3 again. So these ratios are equivalent.

Start with any set of numbers. Multiply them each by the same factor and the new set will be an equivalent ratio.

Select ALL of the expressions that are equivalent to
$16 (5)/(2)$

Answers

Answer:

A, B, C

Step-by-step explanation:

$a^(m)/(n)=\sqrt[n]{a^m}\n\n(a^n)^m=a^(nm)\n\na^n\cdot a^m=a^(n+m)\n\n========================$

$16^(5)/(2)=\sqrt[2]{16^5}=√(16^5)\to\boxed{B}\n\n16=4^2\to16^(5)/(2)=\left(4^2\right)^(5)/(2)=4^{2\cdot(5)/(2)}=4^5\to\boxed{A}\n\n16^(5)/(2)=16^{2(1)/(2)}=16^{2+(1)/(2)}=16^2\cdot16^(1)/(2)=\left(16^2\right)\left(16^(1)/(2)\right)\to\boxed{C}$

What percent of 4 hours is 8 seconds?

Answers

Answer:

0.055% of 4 hours is 8 seconds.

Step-by-step explanation:

Use conversion:

1 hour = 3600 seconds

We have to find the percent of 4 hours to 8 seconds.

4 hours = 14400 seconds

then;

$\text{Percent} = (8)/(14400) * 100 \approx 0.055\%$

Therefore, 0.055 percent of 4 hours is 8 seconds.

so 4 hours
1 hour=60 minutes
1 minute=60 seconds
1 hour=60 times 60 seconds=3600seconds
4 hours=3600 seconds times 4=14400seconds

so 8 out of 14400
8/14400=2/3600=1/1800
percent means parts out of100 so
x%=x/100
the reatios are equal to
1/1800=x/100
mulitply both sides by 100
100/1800=x
1/18=x
divide out
0.055555555=x
round
0.06%

Can I please get some help with problems (b) and (c)? I'm not sure how to figure it out. Diagram listed below.