I'm very confused on this physics.

Question

Using Planck’s constant as h = 6.63 E-34 J*s, what is the wavelength of a proton with a speed of 5.00 E6 m/s? The mass of a proton is 1.66 E-27 kg.

Remember to identify your data, show your work, and report the answer using the correct number of significant digits and units

Answer 1

The de Broglie wavelength (which is what you're looking for) is:

λ = h/(m∙v) = (6.63 E-34) / [(1.66 E-27)(5 E6)]

I don't have a calculator, but that should come out to around 8 E-14m (I think).