# Stuck on maths question, exam tomorrow. Urgent help please!!!?

The length of a tennis net is 30.50m, correct to the nearest cm. What is the lower limit?

I would have thought 30.499 but the answer is actually 30.495m. How is this so?

### 2 Answers

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- KrishnamurthyLv 73 weeks ago
The length of a tennis net is 30.50 m, correct to the nearest cm.

30.50 m = 3050 cm

The lower limit is 3049.5 cm.

Hence the answer is actually 30.495 m.

- ?Lv 73 weeks ago
Because if its 30.495 or higher, you round up to get to the nearest centimetre. Below 30.495 youd round down

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