This is multiplying by 10, this is multiplying it by 100.

Whatever is multiplying by nine. Whatever is multiplying by ninety nine is divisible by nine.

So we're multiplying by 1.1.

I'm multiplying it by 10.

And you say, look, I'm not multiplying by ten. I'm not multiplying by a hundred.

We're essentially multiplying it by 100.

So we're essentially multiplying by 4.

So this is multiplying by 2.

We're multiplying it by 10, twice.

Or you're multiplying it by 100.

We're essentially just multiplying by 1.

It's generated by repeatedly multiplying by the number 3.

You're multiplying the one by zero once.

We're multiplying both sides by a positive.

And multiplying by the inverse of N.

So we can do that by multiplying it by 10.

We're multiplying it by 100 in the denominator.

I can rewrite this by multiplying things out.

So we're multiplying by 10 8 over here.

Dividing by 0.5 is the same thing as multiplying by 2.

We are multiplying by one over a, or dividing by a.

I'm multiplying by 3 and dividing by 3 that's equivalent you would just, that's equivalent to multiplying or dividing by 1 these guys cancel out

So anything this multiplying this by divisible of nine.

And so we're multiplying the 0.25 by 10 twice.

This right here is just multiplying something by 1.

Here I'm multiplying by 10 to the negative 8.

Sal by multiplying a bunch of prime numbers together.

And you can verify it by multiplying it out.

Here you're dividing each by 4, here you're multiplying each by 4.

Multiplying by 1 3 is the same thing as dividing by 3.

But multiplying something by ninety is just the same thing as multiplying something by nine and then adding a zero at the end.

Well, dividing by 2 is the same thing as multiplying by one half.

So dividing by 1 2 is the same thing as multiplying by 2.

Ninety nine. Regardless of whatever is being multiplying by nine.

That is the same as just multiplying 23,000 by 4.

Next, let's talk about multiplying matrices by a scalar number.

a coefficient is only one number by multiplying the variable

So if I'm multiplying something by 0.15 and then I divided by 0.15, I'll just be left with an x here.

But dividing by a fraction is the same thing as multiplying by the reciprocal.

So when we're multiplying by this, we're essentially dividing by this expression up here.

Why is dividing by 1 2 the same thing as multiplying essentially by 2.

And with cross multiplying, you're actually doing 2 steps.

I'm taking each deviation score. And, I'm multiplying it by itself.

And then multiply that by 3, it's 12, just multiplying fractions.

So we're multiplying the denominator by 3 to get to 12.