Question

What is the expanded notation for 2,909? Numbers may be used Once,More than once, or not at all.

Answer 1

(2 x 1,000) + (9 x 100) + (9 x 1)
Always check the place values by looking at the number (2,909) and you can figure out what number to multiply it by. Guess and check if you can’t recognize it right away.