Final answer:
To find out how much 10 marshmallows would weigh, you can multiply the weight of a single marshmallow by 10. In this case, 10 marshmallows would weigh 72 grams.
Step-by-step explanation:
To find out how much 10 marshmallows would weigh, we can use the given weight of a single marshmallow as a reference. If one marshmallow weighs 7.2 grams, then we can multiply this weight by 10 to find the total weight of 10 marshmallows. 7.2 grams x 10 = 72 grams.