Mariyam, a marine biologist, measures the length of a great white shark at 4.5 m long and its teeth at an average of 50 mm long. She wants to convert both measurements to centimeters.

450cm

50cm

Explanation:

10mm = 1 cm = 0.1 dm = 0.01 m

You always multiply by ten from right to left and divide by ten from the left to the right.

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answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error