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Which exercises from the homework should I discuss on the board?

(Type the exercise number (eg. 5 or 7f), if you want more then one exercise, type a separate answer for each exercise, if you understood everything type "nothing")

(Type the exercise number (eg. 5 or 7f), if you want more then one exercise, type a separate answer for each exercise, if you understood everything type "nothing")

Find the square root of 25

√25=

Find the square root of 81

√81=

Find the square root of (40+60)

√40+60=

Find the square root of (9/100)

√1009=

A

1004.5

B

509

C

103

D

209

Between which two whole numbers does the square root of 30 lie?

A

14 and 15

B

15 and 16

C

4 and 5

D

5 and 6

Give an approximation of the square root of 13, accurate to two decimal places.

√13≈