Question

Which answer choice shows 4 + 0.3 + 0.09 written in standard form?A.43.9B.4.39C.0.439D.0.0439

Answer 1

Place values:

As each is in a different place value, when we add them neither will affect the other, meaning:

$4+0.3+0.09=4.39$

Answer: B 4.39