Question

4. How many joules are in 148 calories? (1 cal = 4.18 J)
6.61 J
35.4 J
148 J
619 J

Answer 1

@ScienceQs

Answer 2

it should be 618.64 J or rounding up to 619.
take your 148 calories and if one of those is = to 4.18 joules, then multiply the two together and get your answer.

Answer 3

HA I have no clue how to even work these

Answer 4

because there are 4.18 J per calorie, and you have 148 calories. you multiply the two to get your answer.

Answer 5

Yeah ok then it would have to be the last one.