Question

1. What is 2.28 x 10^-8 in standard form

Answer 1

insert a sufficient number of zeros in front of 2.28, then move the decimal place 8 places to the left.

000000000002.28 ----> 0.0000000228

Answer 2

Witch of the following is an example of an irrational number?

Answer 3

0.0000000228

is correct