Can someone help me on this problem please?

Question

anonymous · Answer

Can I get some help on A and B please?

anonymous · Answer

The first one is 1*10^-7 you get that by going left of the 1 10 times and taking 3 zeros off (10-7) then on the second one just look and see if .0000001 is smaller or larger than .00000038 and .00000076

anonymous · Answer

is that the whole answer>

anonymous · Answer

for the first one?

anonymous · Answer

yeah Im pretty sure

anonymous · Answer

Cool thanks Do you know B

anonymous · Answer

Longer

anonymous · Answer

And how do you explain your answer lol

anonymous · Answer

oh wait I see you explained that in your answer up there lol ^ ok sorry im dumb ha thanks!

anonymous · Answer

I gave the explanasion in the first answer I did 1 is smaller than 3 or 7 so there fore the light is longer than the ultraviolet rays. because the exponents are the same

anonymous · Answer

Im sure your not we all have our days where our mind blanks and No Problem

anonymous · Answer

Yeah lol