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Numbers

100

What are the first 5 digits of Pi?

3.1415

200

What is the 7th digit of Pi?

2

300

What is the 13th digit of Pi?

9

400

What is the 18th diget of Pi?

3

500

Count up to the 13 digit of Pi?

3.141591653589

Eqations

100

If the diameter of a circle is 12cm. What is the Area of the circle?

113.1cm²