Question

find the value of 3×10power of-5+6×10power of -6

Answer 1

Solution :

3 × 10^-5 + 6 × 10^-6

= 3 × 10^-5 + 2 × 3 × 10^-5 × 10

= 3 × 10^-5 ( 1 + 20 )

= 3 × 21 × ( 10^-5 )

= 63 × 10^-5

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