Question

6.Find : - -

(a) 15℅ of 250 (b) 20℅ of ₹ 2500.

7. Give four rational numbers equivalent to
( I ) -2/7. (ii) 5/-3

8. Find the circumference of the circles with radius 14 cm.

9. Add : (i) 3mn,-5mn,8mn,-4mn.
(ii) t-8tz,3tz-z,z-1.

10. Using laws of exponents,simplify and write the answer in exponential form :
( I) 3^2 × 3^4 × 3^8
(ii) a^3 × a^2.​

Answer 1

Answer:

this is the answer hope it helps