Answer:
8 and 9
Step-by-step explanation:
Learn common square roots (i. e. 0, 1, 4, 9, 16, etc.) You should know up to at least 12 (144). With this knowledge, you should know that 8 is the square root of 64 and 9 is the square root of 81. This means that a number in between 64 to 81 square rooted would be in between 8 and 9.
