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jonny [76]
4 years ago
11

I need help with part a and b please with explanations ANSWER ASAP!!!!!!!

Mathematics
1 answer:
Naddik [55]4 years ago
7 0

Answer:

(a) Planet A: 1,000,000,000

Planet B: 10,000,000

Planet C: 100,000,000

[10^n will always equal a 1 followed by n zeroes. So 10^9 was a 1 followed by 9 zeroes which equals 1,000,000,000 or 1 billion]

(b) Dwarf Planet: 2 x 10^6

[Multiply the radius by 2 to get the diameter. So the dwarf planet's diameter is 2/100 of Planet C's diameter. You then multiply the 2/100 by Planet C's diameter to get 2,000,000 or 2 x 10^6

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