Task
Which expression is equivalent to the number \(\displaystyle 901\)?
Solution
\(\displaystyle 901=900+1=9\cdot 100+ 0 \cdot 10+ 1 =9\) hundreds \(\displaystyle \,+ 0\) tens \(\displaystyle \,+1\) ones.
Answer: \(\displaystyle 9\) hundreds \(\displaystyle 0\) tens and \(\displaystyle 1\) ones.