You need to move the decimal point between the six and nine. 6.9 X 10^-4
Answer:
Not between significant digits.
Explanation:
A zero not significant when it's not between significant digits.
I can not solve the problem if I do not have the mass.
Answer:
Well, each ml of water requires one calorie to go up 1 degree Celsius, so this liter of water takes 1000 calories to go up 1 degree Celsius.
Explanation: