3.14 * 10 = 31.4
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The area of a circle equals the radius multiplied by itself, multiplied by pi. Pi rounded to the nearest hundredth is 3.14. If the radius is 10, multiply 10 by 10 and then multiply by 3.14. The area is 314. (Don't forget to write the units correctly cm2 etc)
10 pi or 314.someting something 10 pi or 314.someting something 10 pi or 314.someting something
17 multiplied by 10 is 170.
600 multiplied by 10 is 6,000.
314 = (3 x 100) + (1 x 10) + (4 x 1)