ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
Divide 0.0081 meters by 300 seconds and express the answer in scientific notation.

1 a

2 b

3 b

4 d

5 d

6 d

explanation:

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.