Question

A biology class is studying mold. The samples need to be magnified 30 times in order for students to identify the key features. If an actual sample is 20 millimeters long, how many centimeters is the magnified image?
(1 millimeters = 0.1 centimeters)
A. 20 centimeters
B. 40 centimeters
C. 60 centimeters
D. 80 centimeters

Answer 1

multiple 30 by 2

Answer 2

c

Answer 3

20 * 30 = 600

600 mm = 60cm

Answer 4

20 x 30 = 600
600 is how many centimeters ?