Answer:
2000 bacterias
suppose, x is the bacteria
there are 500x . for the first 400 hours,the 500 x will double which gives=
500x2=1000 bacterias
then the next 400 hours,the 1000x will double which gives=
1000x2=2000 bacterias
Answer:
682,000 miles
Step-by-step explanation:
Using the ratio of 186,000 miles per second:

we can set up a proportion (equivalent ratios) to find the distance, in miles, from the earth to the moon
where 'x' is the number of miles between the earth and the moon
Cross-multiply: x = 186,000*
Solve for x = 682,000 miles
Answer:
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