Question

using identites, evaluate the following 103×104​

Answer 1

Answer:

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Step-by-step explanation:

103×104

=(100+3)(100+4)

using identity (x+a)(x+b)=x²+(a+b)x +ab,

= 100² + (3+4)100 + 3×4

= 10000 + (7)100 + 12

= 10000 + 700 + 12

= 10712