Question

Darla is creating a family tree. SHe starts by writing down the names of her two parents. For each of her parents, she writes down the names of their two parents, and so on. After six generations how many names has she written down, not including herself? Write and evaluate an expression using an exponent to find out

Answer 1

Let the number of generation be x.

Number of names = $2^x$

When x = 6,

$2^6 = 64$

Answer: There will be 64 names written down.