If they were allowed to inexact you could almost always be paying an in correct price.
Scales.
With electronic scales
You would need an object that is exactly 100 grams in weight, such as a calibration weight. Place this object on the scales and adjust the calibration settings until it reads 100 grams.
get weighing scales and weigh it yourself ! :)
stick it on some scales
Which of scales are better - jennings or American Weigh? Thank you
You don't. Check the scales.
because it has scales
Unfortunately there were no scales to weigh them.
If they can stand, just pop them on the scales as you would weigh yourself.
way is not a verb but weigh is , say to step on the scales and weigh himself
A shadow or an reflection is as big as a human, yet it doesn't weigh anything.