How to turn 258 out of 300 into a decimal and as a percent

2 answers:

8 0

258/300 u have to simplify 300 and 258 r both divisible by 3, 258/300 divided by 3/3 equals 86/100, as a decimal this is 0.86 and as a percent is is 86%

hichkok12 [17]2 years ago

3 0

Decimal: Convert the fraction by dividing the numerator by the denominator

Answer: 0.86

Percentage: Convert the fraction to a decimal, then multiply by 100

Answer: 86%

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chubhunter [2.5K]

Answer:

4/3−4√5+13√7

Step-by-step explanation:

So for whatever reason we don't like it when the radical is in the denominator so we're going to do a process called rationalization and get rid of it. We do this by multiplying both the numerator and denominator by the radical

So for the first part we multiply the numerator and denominator by $\sqrt{28}$ which gives us $\frac{42\sqrt{28} }{28}$ we can then factor the 28 into sqrt(7,2,2) which simplifies to $42*2\sqrt{7}$ /28 So then we can simplify this and get $3\sqrt{7}$ We then can simplify the rest of these radicals and get $2\sqrt{20}=2\sqrt{2*2*5}=4\sqrt{5}$ and $2\sqrt{175}= 2\sqrt{5*5*7}=2*5\sqrt{7}$ This means that so far we have the following: $3\sqrt{7}+ \frac{60}{45}-4\sqrt{5} +10\sqrt{7}$ We can add the like terms and simplify the fraction and get 4/3−4√5+13√7