Question

6. How many 2's are there in the prime factors of 400
7. What is square of 2.7?
8. What should be subtracted from 46 to get 452
9. What should be subtracted from 37 to get 35?
10. Fill in the blank:
792 + ............ = 80
11. The area of a square is 225 cm. What is the len
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Answer 1

Ans 1= I know but I am confused

Ans 2= 7.29

Ans 3= 498

Ans 4= 2

Ans 5= don't know

Ans 6= 15 m