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

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

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

0.0000000228

is correct

2.28 x 10^-8 in standard form is a really tiny number! It's 0.0000000228. It's like trying to find a needle in a haystack. Good luck!

To convert 2.28 x 10^-8 to standard form, you need to move the decimal point to the right or left, depending on the exponent sign. In this case, the exponent is negative, which means we need to move the decimal point to the left.

Count the number of places you need to move the decimal point by looking at the absolute value of the exponent. The absolute value of -8 is 8, so you need to move the decimal point 8 places to the left.

Starting with 2.28, move the decimal point 8 places to the left:

0.0000000228

So, 2.28 x 10^-8 in standard form is 0.0000000228.