ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Problem Solving and Data Analysis Videos 50 videos
SAT Math 1.3 Statistics and Probability. Approximately what is the probability that they will be placed in alphabetical order?
SAT Math 1.5 Statistics and Probability. If Silas draws one card, then places it in his pocket and draws another, what is the probability that...
SAT Math 1.4 Statistics and Probability. If two standard 6-sided dice are rolled, what is the probability that the sum of the dice will be gre...
SAT Math 4.2 Numbers and Operations 316 Views
Share It!
Description:
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...