Write a number sentence to add 6 tens 21

6 tens to 21 = 81

Step-by-step explanation:

Given

6 tens

21

To write a number sentence to represent the description in the question, follow these steps;

So,

6 tens = 6 * 10

6 tens = 60

60 + 21

This gives a result of 81.

So, Addition of 6 tens to 21 is equal to 81

4.08%

step-by-step explanation: