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Statistics, Data, and Probability I: Drill Set 2, Problem 2. If this trend continues, what will be the price in week 7?
Statistics, Data, and Probability I: Drill Set 2, Problem 3. Which of the following statements is true?
Statistics, Data, and Probability I: Drill Set 2, Problem 4. Which of the following statements is true?
CAHSEE Math 1.3 Number Sense 453 Views
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Description:
CAHSEE Math Number Sense: Drill Set 1, Problem 3. Which of the following numbers is the largest?
Transcript
- 00:03
Here's a boring, unshmoopy question you'll find on some exam somewhere in life...
- 00:08
Which of the following numbers is the largest:
- 00:10
Here are the potential answers...
- 00:19
So... in this scientific notation problem, there are a few we can rule out real quick.
- 00:24
Note that A and B are taken to the NEGATIVE power of 2...
Full Transcript
- 00:27
...which means that they are small numbers...
- 00:30
...even though in A's case, it starts out with a big fat 12 to the left of the decimal.
- 00:34
That negative exponent means there's going to be some shrinkage.
- 00:40
So that leaves us with C and D.
- 00:43
In this case, both are only 10 squared, which we know is 100.
- 00:48
So for C, we have 1.23 x 100, which is just 123.
- 00:53
And in option D, 0.123 times 10 squared means that we shift the decimal two places to the
- 01:00
right to get 12.3.
- 01:02
So C is bigger and yep, that's the answer.
- 01:06
Now if you'll excuse us, we're going to try consoling options A and B.
- 01:10
They have positive exponent envy.
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