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## Answers

Ex.

25^2 = (5)^2 - ones

= [(5)(2)]^2 -tens

= (2)^2 - hundreds

hence, it is equal to

625

Use calculator. Do this! for example cube root of 8? √8^1÷3

Log in to add a comment

Ex.

25^2 = (5)^2 - ones

= [(5)(2)]^2 -tens

= (2)^2 - hundreds

hence, it is equal to

625

Use calculator. Do this! for example cube root of 8? √8^1÷3