Question

Express the number in each in standard
notation:
(i) A hydrogen atom weighs
0.00000000000000000000000167 8.
(ii) The speed of light in vacuum is
299792.5 km/s.
(iii) The age of our universe is
8,000,000,000 years approximately.
(iv) The star Sirius is about
81,000,000,000,000 km from the
Earth.
(v) The distance of the moon from the
Earth is 380,000 km approximately.
(vi) The coefficient of linear expansion of
copper is 0.0000187/K.
(vii) The diameter of an atom is
0.000000015 cm.​

Answer 1

Answer:

I am really sorry for not getting 2