Answer:
one angstrom is 10^-10m =
10^-8 cm
There are 10^8 angstroms in 1cm.
*1 cm^3 = 1 cm 1 cm * 1cm
1 cm^3 = 10^8 10^8 10^8 angstrom^3
1 cm^30 =10^24 angstrom^3
So option A is correct
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