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That's right. One with100 zeros is called a "Googol"!!!!!!!!!!!!!!!!!!!!!!. That's where Google(The Search engine got its name from!!!!!!), and it's written like this: 10^100.

what is 2 and 3/4 plus 5 and 3/8

Your answer is:

65/8=8 1/8

A very good question!!. Now let us see.

The mass of our sun is about: 2 X 10^33 Grams. Therefore the mass of the neutron star is

1.4 X 2 X 10^33=2.8 X 10^33 Grams

Now, Density=mass/volume, therefore.

10^15=2.8 X10^33/volume,  we have,

Volume=2.8 X 10^33/ 10^15

Volume=2.8 X 10^18 cubic cm. Now, the volume of a sphere is: 4/3PiR^3, therefore we have

2.8 X 10^18=4/3PiR^3

.................. =4/3*3.14159265358*R^3

...................=4.1887902047733*R^3, therefore,

R^3=(2.8 X10^18) / 4.18879047733,

R^3=6.6845 X 10^17,

R=(6.6845 X 10^17)^1/3

R=874,359cm, or, 8743.59 meters, or,

R=8.74359 Km, being the radius of the neutron star.

what is 3.75 x 10 to the 6th power x (8.33 x 10 to the -3rd power

If this is what you mean: ( 3.75*10^6)*(8.33*10^-3), then the answer is:

31,237.5=3.12375 X 10^4

It can't possibly be that!!!

The solution to your problem is a "complex number solution", which is:

n = ±(6 i)

The last 3-digit primes are:

983 + 991 +997=2,971

The first 3-digit primes are:

101 + 103 + 107=311 , so the difference between the sums of last and the first three primes is:

2,971 - 311=2,660

What is two n squared by two???the answer should equal -144.I'm trying to solve for n.

YOU CANNOT HAVE TWO "=" SIGNS IN YOUR EQUATION!. CHECK IT CAREFULLY.

Your answer is:

-10 (exactly)

What is two n squared by two???

Your answer is:

x = 879635/58=15,166 7/58

Your question is a bit ambiguous when you convert it from written symbols into a kind of "spoken" equivalent.

There are two possibilities for what your spoken equivalent corresponds to:

• 2n² would be the most likely because the exponent operation takes precedence over the multiplication (you'd square n before multiplying by 2), so that's 2 · n · n
• (2n)² would be spoken as "2 n quantity squared" where the quantity implies that 2n is in parentheses. In this case, the whole expression is multiplied by itself, so 2 · n · 2 · n or 4n².

Just divide like this:

1/2 / 2, Now we can turn it into multiplication like this:

1/2 X 1/2, notice that I reversed the 2 to 1/2, so we have

1/4 or as a percentage=.25 X100=25%

What's 2n squared I'm confused,

2n means 2 X n, Now multiply each by itself like this:

2 X 2=4, that's the same as "2 squared", and do the same with n, or

n X n=n^2. Now put them together like this:

2n squared=4n^2

We determine the commission like this:

680 - 400=280

If Sam sold x number of cell phones, then we have.

x * 20=280, we divide both sides by 20 and we get,

x=280/20=14 cell phones that Sam has to sell. So we have,

(14 X $20) +$400=$680

5 and 3/8*10-7.5,

If I understand what you want, then it should be written like this:

(5 3/8) X (10 - 7.5)

(43/8) X( 2 1/2)

(43/8 X (5/2)

215/16=13 7/16

Just add them up by hand or by calculator!, Anyway, your answer is:

236

400+20x=680

Well, It's increasing by a factor of 5, so your terms of the series are:

1/125 X 5=1/25 that's your 2nd. term, then multiply that by 5, you get 1/5, which is your 3rd.term, and multiply by 5 again and you get 1, which is your 4th.term.......on so on. Got it?.

Thanks heureka, it was actually really simple but I guess I was overthinking it