Answer:The radius of Betelgeuse is about 5 × 1011 meters, and the radius of Venus is about 6 × 106 meters.
Step-by-step explanation:
because the 500 billion Has 11 0s so it will be 5 x 10^11
6,000,000 has 6 0s so it will be 10^6
Answer:
The answer is C ; She only used dimensions of the original figure
Step-by-step explanation:
The answer: B.) 18 inches
Hope this helped ;)
Answer:
Ca^(2+) or the charge is 2 plus or just 2
Step-by-step explanation:
Charge on the calcium ion = 20*(+1) + 18*(-1) = 20 - 18 = 2
The charge on the calcium ion is +2
21
that is the answer
learn your times table.
