20. Suppose there are two 100-fish tanks, and one fish is to be chosen from each tank. (a) How many ways are there to make the selection, assuming that the order in which the fish are chosen is irrelevant? (It does not matter which of the two fish is chosen first.) (b) How many ways are there to make the selection if order is relevant?
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
Please answer 20A and 20B
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
