How to calculate percentage #percentage #mathematics

A condutor of length l is stretched such that its length increases by 10 % calculate the percentage change in the resistance of the conductor.

Raisins are soaked in water for determining the percentage of water absorbed by raisins. The formula used by a student for calculating the percentage of water absorbed , is:

The percentage change in the pressure of a given mass of a gas at constant temperature is 50% (increases). Calculate the percentage in the pressure of the gas.

Write formula to calculate percentage atom economy

Calculate the percentage compound of glucose.

The percentage change in the pressure of gas at constant temperature is 200% (increases). Calculate the percentage change in the volume of the gas.

The percentage change in the volume of the given mass of a gas at constant temperature is 50% (increases). Calculate the percentage change in the presure of the gas.

A physical quantity x is calculated from x = ab^(2)//sqrt(c ) . Calculate the percentage error in measuring x when the percentage errors in measuring a , b , and c are 4 , 2 , and 3%, respectively .