A boy buys a comic costing 78c and a pencil costings 18c .he pays with a $2 note .how much change does he get ?(approximate your answer to the nearest whole number))

Find the sum of the following series. round to the nearest hundredth if necessary.

Choose a second initial value that is 0.01 greater than the initial value from question 9. iterate it using the function, f, ten times. if necessary, you can round your results to the nearest ten-thousandth.

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8