Question

Q-4 VERY SHORT CALCULATION

3) Identify the terms and factors in 3y²+2

4) Using the law of exponent solve 6 ¹²×6²

5)What is the numerical coefficient of 3xyz

6) Convert 2.1 into percentage.

CLASS 7 QUESTION​

Answer 1

Answer:

Twice the number =2x

i.e.,2x-11=15

2x=11+15

2x=26

x=26/2

x=13

Step-by-step explanation:

Answer 2

Answer:

3.3y²=3×y×y

+2=2

4.6¹⁴

5.3