Her estimate would not be greater, so it would be near the actual estimate. the numbers 70 and 10 are smaller than the numbers 73 and 12, so it is not possible for 70 x 10 to be more than 73 x 12 is. i hope this helps!!
I’ve had a question like this and i put c
Answer: Energy from the core travels by radiation through the radiative
zone, then by convection through the convection zone.
Explanation: