Question

The mass of a white throated hummingbird is 4.5 grams. The mass of a red throated hummingbird is 3.2 grams. What is the difference between the masses of the two hummingbirds?​

Answer 1

Explanation:

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what don't you understand about this ?

to get a difference we simply use subtraction :

4.5 - 3.2 = 1.3

the difference between the masses of the 2 hummingbirds is 1.3 grams.