Amy rolls a number cube ten times and gets 3 four times! If she rolls the number cube 240 times, how many times should she get a
3?
1 answer:
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Answer:
The real solution is .
Step-by-step explanation:
while
So the equation becomes:
We know that . So let's see what
gives us:
.
is the result we wanted.
is therefore a solution.
To find expanded form, we need to split up the digits. When you do that, you take one digit and cut off everything to the left of it, then make everything to the right zeros.
We don't need to keep the zeros.
We can check this by adding the numbers back up to get .