Question

100gm of butter in mg

Answer 1

1gm= 1000mg, so 100gm= 100 * 1000= 100000mg

Answer 2

hey there 

1g =1000mg

1g=10^3g

so 100g =100*1000
=100000
=10^2*10^3
=10^5

∴therefore 100g of butter is equal to 100000mg or 10^5 mg