Can the values can be added or subtracted? If one value needs to be converted to another, describe the conversion.

9.7 g + 67.8 mg
A.
The values can be added after making a conversion of units because they both measure mass.

B.
The values can be added without making a conversion of units because they both measure mass.

C.
The values cannot be added because one is measuring mass and the other is measuring capacity.

D.
The values cannot be added because one is measuring mass and the other is measuring volume.

Question

Can the values can be added or subtracted? If one value needs to be converted to another, describe the conversion.

9.7 g + 67.8 mg
	 A.
	The values can be added after making a conversion of units because they both measure mass.

B.
	The values can be added without making a conversion of units because they both measure mass.

C.
	The values cannot be added because one is measuring mass and the other is measuring capacity.

D.
	The values cannot be added because one is measuring mass and the other is measuring volume.

johnweldon1993 · Answer

You always need to convert to the same units....yes they are both a measure of mass...however we would receive an incorrect answer (just in terms of decimal places) if we add then with different units

jane11509 · Answer

Okay so what's the answer?