How many Joules of energy are required to change 10 gram of ice at -2 C to water at 20 C? The specific heat of water is 2.1 J/(g · ºC).

a 10,140 J
b 880 J
c 440 J
d 66,000 J

Type the correct answer in each box. use numerals instead of words. the distance between earth and the moon is about 384,400 kilometers. the distance can be written in scientific notation as a × 10b kilometers, where a = and b = .