The width of a telescope lens is measured to be 3 cm, but the actual size of the lens is 3.1 cm. What is the percent error in the
measurement?

0.3%
0.31%
3.3%
31%

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

What could explain what happened when the time was equal to 120 minutes

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years