4. 1 kg because you will have to divide 4100 by 1000. Ps. 1 kg is equal to 1000 grams.
U can use the Pythagorean theorem which is (a^2 + b^2 = c^2) It'll help you a lot
You would just do 5.7-8.1, which is -3.6 degrees Celcius. Hope I helped!
Differentiate using the exponential rule, which determines that
is
when a=3.

Therefore, the correct option is "E". You just have to remove the parentheses.
