Question

if 1 micron=10,000 angstroms, then 100 angstroms is what percent of 10 microns?

Answer 1

100/100000
=1/1000
=0.1%

Answer 2

Solution:-

given by:-

》1 micron =( 10000 angstroms = 10^4)
》10 micron = 10^5 angstroms

by percentage:-

》(100 angstroms ×100)/10^5 angstroms


》 = 10^4/10^5 = 10^(4-5) = 10^(-1) 

》 = 1/10 =( 0.1% ans)

☆i hope its help☆