ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Pre-Algebra Videos 217 videos
Who wants to be a millionaire? In this video, learn about compound interest, interest rates, and the compound interest formula. You'll be buying th...
ACT Math: Pre-Algebra Drill 5, Problem 2. If a and b are prime numbers, how many factors does ab have?
SAT Math 4.2 Numbers and Operations 316 Views
Share It!
Description:
SAT Math 4.2 Numbers and Operations
SAT Math 4.2 Numbers and Operations
Transcript
- 00:02
Here's an unshmoopy question you may find on an exam somewhere in life...
- 00:06
Order the following values from least to greatest: 0.55, forty seventy-fifths, 53%, five-ninths
- 00:16
And here are the potential answers...
- 00:20
It just wants us to order all the numbers form least to greatest.
- 00:22
HOW we go about ordering them is less obvious,
Full Transcript
- 00:25
since we can't really compare a fraction to a decimal.
- 00:28
The easiest way to go about things is to convert everything to a decimal.
- 00:32
Lucky for us, 0.55 is already a decimal. 53% is the same thing as fifty-three one-hundredths.
- 00:39
Divide 53 by 100 to get the decimal 0.53. Now for the fractions. First up is five-ninths.
- 00:47
Dividing 5 by 9 gives us a decimal of 0.555555.
- 00:53
We saved the best for last: forty seventy-fifths.
- 00:57
Dividing 40 by 75 gives us 0.53333.
- 01:03
Let's write out all the numbers side by side in decimal form.
- 01:06
Order all the numbers from least to greatest and we have...
- 01:09
0.53, 0.53333, 0.55, 0.55555
- 01:14
Here are the least to greatest.
- 01:16
So, E is our answer.
Related Videos
SAT Math 2.1 Geometry and Measurement. What is the measure of angle z in terms of x and y?
In 2014, the unemployment rate of one county in California was 7%. In another county, the unemployment rate was 11%. Which of the following express...
Angela is making cookies for a bake sale. She expects each batch of her cookies to sell for $40. It costs her $10 to make one batch of cookies, and...