How do I simply this expression?

Here are the basic steps to follow to simplify an expression. I hope this helps:

1.remove parentheses by multiplying factors.

2.use exponent rules to remove parentheses in terms with exponents.

3.combine like terms by adding coefficients.

4.combine the constants.

Step-by-step explanation:

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.