Just divide on a calculator!!!!.
Think about this .......
If one atom weighs 1/2 of a gram, we just need to invert the fraction to find out how many attoms in a whole gram = 2/ 1 = 2
So
3.3 x 10-22 =
3.3 / 1022 invert this and we have
1022/ 3.3 ≈ 3,030,303,030,303,030,303,030 atoms
What is the question? Can't you write it exactly as it is written in your book or your assignment?
hey, how do i solve this? One gold atom is 3.3 * 10^(-22)g How many atoms do i need to make it weight 1 gram?.
You will need =1 / [3.3 x 10^-22] =3,030,303,030,303,030,303,030=3.03 x 10^21 atoms of gold.
do you have a specific awnser
Just divide the numerator by the denominator to get a decimal number......then........move the decimal two places to the right and add a % sign
Example
4/9 ≈ .4444 ≈ 44.44%
20+1/(7a)=-22
1/(7a)=-42
-1/42=7a
-1/294=a
or
20+(1/7)a=-22
(1/7)a=-42
a=-42*7=-294
depends on what you meant
Here are two pretty helpful tutorials :
http://chemistry.about.com/od/mathsciencefundamentals/a/sigfigures.htm
http://www.chemteam.info/SigFigs/SigFigRules.html
The "lcm' is the same as the "common denominator"
6 = 2 * 3
8 = 2^3
Selecting each different factor along with its highest power, we have :
3 * 2^3 =
3 * 8 =
24
six and eight are both divisable by 2 that should be your lowest commen multiple.
h^4+1440000 = 2500 h^2 rearrange as
h^4 - 2500h^2 + 1440000 = 0 factor as
( h^2 - 1600) (h^2 - 900) = 0
(h + 40) (h - 40) (h + 30) (h - 30) = 0
Setting each factor to 0 we have have that h = ± 40 or h = ± 30
X=1
or at least it should.
,..
We are dealing with a complex problem runing throught the calculator we get
-40,40,-30,30
Those are the facts but the real answer will be debaled bettween the 40's and 30's
So try both if you can other wise theres a problem with the question
Hope this was helpfull
The volume can be represented by a cone where the height is 10 and the radius = 75 / [ 2 pi]......so we have
Vcone = [ pi * r^2 * h ]/ 3 = [ pi * ( 75 / [ 2pi] )^2 * 10 ] / 3 ≈ 1491.1 ft^3
the first one i believe is right
four,4, or quatro
I think your answer is 2x-6
but going of what i learned the answer might be x=3
I'm doing great getting and A in physics unbeliveabley.
