At the hairdresser, jenny had 27 centimeters cut off her hair. how many decimeter of hair did jenny have cut off

John bought 2 horses at rs 20000 each

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.

15 liters is approximately how many gallons