Question

a proton is a positively charged particle found in the nuclei of atoms a proton has a diameter of 1.5 x 10^-15 meters How is this written in standard form. A) 0.000000000000015 meters B) 0.0000000000000015 meters C) 0.00000000000000015 meters D)0.000000000000000015 meter

Answer 1

$\begin{gathered} 1.5\times10^{-15}=0.0000000000000015 \\ \text{answer B is cxorrect.} \end{gathered}$