please explain how do this thank u 3. Carry out the following calculations. Indicate the number...

Question

Question

please explain how do this

thank u

Answer 1

Answer #1

(3) Rules for multiplication and division

3s fig 0.0712 = 0.01424 3sfig 5.00 3sfig = 0.0142 5sfig 321.00 (Ь) = 28.5841 4sfig 11.23 4sfig = 28.58 4 sfig 3.001 = 2.5008

Answer 2

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