Question

Q-3 Do as directed. . ( 10 )

1. Find the value of the expression 2a+2b

when a = 0, b = -1.

2. Add 3x+11 and 7x-5

3. Subtract 6xy from -12xy.

4.Find the product of : 9/2 × (-7/4)

5.Write the following rational numbers in ascending order :⅗ , -⅖ , -⅕​

Answer 1

Answer:

1) -2

2) 10x+6

3) -18xy

4) -63/8

5) -2/5<-1/5<3/5