How about 170 + 1.9 = ?
If you are into significant figures, that would be 172 if the mass you were given is 170 and not 170.0 g.
If you are into significant figures, that would be 172 if the mass you were given is 170 and not 170.0 g.
Given:
Initial weight of the flask = 170 g
Weight of sugar to be added = 1.9 g
To find the final weight, we can add these two values together:
Final weight = Initial weight of the flask + Weight of sugar
Final weight = 170 g + 1.9 g = 171.9 g
Therefore, we would expect to see a weight of 171.9 g on the balance after adding the sugar.
Given that the empty flask weighs 170 g, we need to add 1.9 g of sugar. Therefore, the expected weight on the balance can be calculated by adding the weight of the empty flask (170 g) to the weight of the sugar (1.9 g):
Expected weight = Weight of the empty flask + Weight of the sugar
Expected weight = 170 g + 1.9 g
Expected weight = 171.9 g
Therefore, we would expect to see a weight of 171.9 g on the balance when we're done adding the sugar.