Homework Help: math help please

Posted by Deborah on Thursday, January 10, 2013 at 12:41pm.

Which expression represents the largest number?
A. 40.1 x 10–6
B. 4.1 x 10–7
C. 0.411 x 10–7
D. 0.04001 x 10–5

I think it is B..?

math help please - Steve, Thursday, January 10, 2013 at 2:12pm
A

clear to see if you make all numbers 10^-6

Hmm. Not sure whether your exponents are positive or negative. Use ^ to indicate exponent. Not sure whether you used - instead, or just forgot the ^. If positive exponents, then convert all to 10^6 and the answer is (B).

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