What is 86% written as a decimal?

86% = 0.86 in decimal form. Percent means 'per 100'. So, 86% means 86 per 100 or simply 86/100. If you divide 86 by 100, you'll get 0.86 (a decimal number).

step-by-step explanation:

b and c

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.