Eddie and Ellen use a calculator to work out $624.618.6+4.82\displaystyle \frac{624.6}{18.6 + 4.8^2}$

Eddie's answer is 1.5

Ellen's answer is 15

One of those answers is correct.

Use approximations to find out which answer is correct and then verify your conclusion by working out the exact value.

Eddie and Ellen use a calculator to work out $624.618.6+4.82\displaystyle \frac{624.6}{18.6 + 4.8^2}$

Eddie's answer is 1.5

Ellen's answer is 15

One of those answers is correct.

Use approximations to find out which answer is correct and then verify your conclusion by working out the exact value.

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