The nutritional calorie (calorie) is equivalent to 1 kilocalorie. one pound of body fat is equivalent to about 4.10 × 103 calories. express this quantity of energy in joules and kilojoules. enter your answers in scientific notation.

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?