Answer:
100 m
Explanation:
The tree's first measurement = 15 centimeters
The tree's measurement after a week =25 centimeters
The difference in growth = 25 - 15 = 10 cm
Since we are asked to find out how many millimeters the tree grew, we convert our result to millimeters.
Conversion Unit: 1 centimeter = 10 Millimeters
Therefore: 10 cm = 10 X 10 =100 Millimeters
The tree grew 100 Millimeters in a week.