C-04-Q174mediumsingle_mcq0.0002450.0002450.000245 in scientific form:a2.45×10−32.45 \times 10^{-3}2.45×10−3b2.45×10−42.45 \times 10^{-4}2.45×10−4c2.45×10−52.45 \times 10^{-5}2.45×10−5d24.5×10−424.5 \times 10^{-4}24.5×10−4