Question

John measured the length of his cellphone
using a geometry box scale. The reading on
one edge was 0.5 cm and the reading on
other edge was 13.3 cm. What is the
length of the cellphone? Express your
answer in mm.​

Answer 1

Answer:

128 mm

Explanation:

13.5-0.5=12.8

12.8×10=128mm

Answer 2

Answer:

128mm

Explanation:

13.3 cm = 133 mm

0.5 cm = 5 mm

the phone's length is from 0.5 cm to 13.3 cm, the length is 133-5= 128 mm