Answer :

smarty735
For the other problems just move the decimal to the right. For the second one you would get 47.8
10^1=10
10×4.78=47.8
10^2= 10×10 =100
100×4.78 = 478
10^3 =10×10×10 = 1000
1000 ×4.78= 4780
notice that every time to exponent for 10 is +1 more than the last, the decimal place moves to the right 1

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