Measurement is a quantity with both a ____________________? Please fill in the blank. This question is on my study guide and I do not know what the answer is?

both a number (or value) and a unit. For example, we might weigh a sack of peanuts and obtain 35 pounds. The 35 is the value or the number and pounds is the unit.

After an experiment scientists write a . which summarizes their experiment and results?

Measurement is a quantity with both a numerical value and a unit.