I am preparing for a competition and a lot of the non-calculator problems are like find the product of 2^35 and 5^38 in sci. notation. How would you do that?

Hi Peter,

The important fact to use is that 2^{p} × 5^{p} = (2 × 5)^{p} = 10^{p}.

Penny

Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.