Answer:
4 tens and 5 ones
Explanation:
Write the another way to describe 45.
To describe 45 we use the place value of the numbers
In 45, 4 is in tens place and 5 is in ones place
because 4 times 10 =40 and 5 times 1 is 5

So , 45 can be written as 4 tens and 5 ones