(3.2 x 10^5) (2 x 10^-3)
-------------------------
(2 x 10^-3)
I got 1.6 x 10^5 like this,
(3.2 x 10^5) (2 x 10^-3)
------------ x -----------
(2 x 10^-5) (2 x 10^-5)
(3.2 x 10^5) (2 x 10^-3)
------------ x
(2 x 10^-5)
(3.2 x 10^5)
------------ > 3.2 10^5
(2 x 10^10) --- -----
2 10^10
1.6 x 10^5
Is that right?
*
No it is not right. Your work is just plain wrong. And finally, I am not certain exactly what the original problem is. The first line was
(a * b)/b as I read it...
(3.2 x 10^5) (2 x 10^-3)
-------------------------
(2 x 10^-3)
and the answer to that is a, or
3.2 x10^5
So I really don't understand what you are trying to do.
No it ended up looking wierd when I submited, sorry.Here is the real question (3.2 x 10^5) (2 x 10^-3)
--------------------------
(2 x 10^-5)
Yes, your calculation is correct. Let's go through the steps to verify:
Step 1: Multiply the numerators (3.2 x 10^5) and (2 x 10^-3):
(3.2 x 10^5) x (2 x 10^-3) = (3.2 x 2) x (10^5 x 10^-3) = 6.4 x 10^2.
Step 2: Divide the result from Step 1 by the denominator (2 x 10^-3):
(6.4 x 10^2) / (2 x 10^-3) = (6.4 / 2) x (10^2 / 10^-3) = 3.2 x 10^5.
Therefore, the final result is 3.2 x 10^5, which matches your answer. Well done!