How can you estimate 10% of 56 and 1% of 451 and the calculation.

Hello. 

10% of 56 = 
10 / 100 = 0.1 
0.1 x 56 = 5.6

1% of 451 = 
1 / 100 = 0.01
0.01 x 451 = 4.51 

Idk if your question is asking to add them together, but if it is, then 5.6 + 4.51 = 10.11

Have a great day! :)

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