What numbers multiplied by themselves give the following: 4 36 64 121

2, 6, 8, 11

Step-by-step explanation:

A number multiplied by itself gives a perfect square.

4 = 2²

36 = 6²

64 = 8²

121 = 11²

The numbers multiplied by itself that will give 4, 36, 64, 121 are 2, 6, 8 and 11 respectively

These are perfect squares number, such as

4, 9, 16, 25, 36 etc

4 = 2 × 2 = 2²

36 = 6 × 6 = 6²

64 = 8 × 8 = 8²

121 = 11 × 11 = 11²

other examples of perfect squares are

1 × 1 = 1 = 1²

3 × 3 = 9 = 3²

4 × 4 = 16 = 4²

5 × 5 = 25 = 5²

7 × 7 = 49 = 7²

9 × 9 = 81 = 9²

10 × 10 = 100 = 10²

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