Answer:
H(10) Would be the time, in minutes the balloon spent in air . H(10) Means the balloon spent 10 minutes in air
The answer would be Associative Property.
Hope this helps you =)
To find this out, just divide 456, by the answer of 4.56
So once you divide that, you get 100.
So, n=100
CHECK:
456 divided by 100=4.56
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Hope this helped :)
19 because 1 ten = 10 ones and 9 one plus 10 ones equals 19 altogether