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Passport to Advanced Math Videos 52 videos

Multiplying Polynomials to Find an Unknown Constant
3 Views

In the equation above, if a, b, and c are all constants, what is c?

Recognizing Polynomial Factors
5 Views

When x = 12, a certain polynomial, y, equals 0. Which of the following must be true about the polynomial y?

SAT Math 1.5 Algebra and Functions
218 Views

SAT Math 1.5 Algebra and Functions. If f (x) = x2 - 16 and g(x) = x4 - 256, what is f of x divided by g of x?

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SAT Math 3.2 Numbers and Operations 1262 Views


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Description:

SAT Math 3.2 Numbers and Operations

Language:
English Language

Transcript

00:03

Here's your shmoop math du jour:

00:05

What is the square root of 5.206 times 10 to the seventh to the nearest hundredth?

00:11

Here are your options...

00:17

Okay, so we need to figure out the value of the

00:19

square root of a number to the closest hundredth.

00:22

Let's repeat the most important part of that... it'll save us a whole lot of work.

00:27

TO THE CLOSEST HUNDREDTH.

00:29

One more time, with feeling... TO THE CLOSEST HUNDREDTH

00:35

Only one of the answers is a number that includes the right number of

00:39

numbers after the decimal point... to the hundredths place.

00:46

Now, if we can remember what the hundredths place is,

00:48

we can answer this question in a snap.

00:53

If not, we'll tell you just this once. You're on your own for the test, though.

00:57

The hundredTHs place, with the "T-H" sound

01:00

at the end, is two spots to the right of the decimal point.

01:03

Not three, like its buddy the thousandths place, or one, like the tenths place.

01:08

So which of the answer choices has two numbers after the decimal point?

01:11

Option D, 7215.26.

01:15

Saves us a lot of time punching numbers on our calculator, doesn't it?

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