The diameter of a bowl is 14 cm. What is the circumference? Give the exact answer in terms of pi.
2
7п cm
147 cm
287 cm
43.967 cm

The answer is 43.967cm because circumference is equal to pi times the diameter, or two times pi times the radius.

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post