Question

Use (a + b)2 = a + 2ab + b2 to evaluate the following: (5.99)^2​

Answer 1

Step-by-step explanation:

${(5.99)}^{2} = {(6 - 0.01)}^{2} \\ \\ = {6}^{2} + {0.01}^{2} - 2(6)(0.01) \\ \\ = 36 + 0.0001 - 0.12 \\ \\ = 36.0001 - 0.12 \\ \\ = 35.8801$

Answer 2

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