He bought 3 small notebooks (3*7=21) and 3 large notebooks (3*10=30)
21+30=51
I got -19/655 and i know for sure this isnt the correct answer.
The answer is D. 27
54 divided by 2 is 27
Answer:
square kilometers
Step-by-step explanation:
The surface area of a sphere can be found using the formula
. Since the diameter is 3500 km then its radius is half of this. 3500 divided in two is 1,750 units. Substitute r=1,750.

The surface area of the moon is about 38,465,000 square kilometers. Write this is scientific notation using base. 