hmu also What is the sum and classification of Two-fifths + StartRoot 88 EndRoot? 9.78083151 ..., irrational 9.78083151 ..., rational 13.38083151 ..., irrational 13.38083151 ..., rational

9.78083151 irrational

Step-by-step explanation:

Here, we want to sum 2/5 + √ (88) and check if it is rational or irrational

2/5 = 0.4

√88 = 2 √22

So 0.4 + 2 √22

So what we want to do here is add a rational number to an irrational number. Kindly recall that surds are irrational numbers.

Mathematically, adding a rational number to an irrational one gives an irrational result

so we have;

9.780831519647 irrational

A) 9.78083151 ..., irrational

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