In 50 microlitres there is 1.7 * 1013 copies of something how many copies would there be in 0.003 microlitres?

Question

its to do with PCR

Answer 1

50 * x = 0.003

i.e. x = 6x10^-5

Therefore-:

1.7 x 10^13 x 6x10^-5 = 1.02 x 10^9 copies