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irga5000 [103]
3 years ago
9

PLEASE HELP ME

Mathematics
1 answer:
kolbaska11 [484]3 years ago
3 0

Scientific notation has 1 number to the left of the decimal and is multiplied by 10 raised to the number of spaces the decimal is moved.

A) 5.9 x 10 ^ 9

B) 4 x 10 ^ -2

C) 1 km = 100,000 cm

4x 10^-2 x 100,000 = 4000 fireflies per km = 4 x 10 ^3 fireflies per km

5.9x 10^9 x 4x 10 ^3 = 2.4 X 10^13

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