Simp1ify the following.

Question

2a*a
ab*7a
7pq*3p
3b²*2cd
20m¹²*2m³

Answer 1

2a²
7ab²
21p²q
6b²cd
40m¹⁵

Answer 2

4*3g
7*3h
4d*6
3z*5
6*5r

Answer 3

12g
21h
24d
15z
30r

Answer 4

5t*7
4*3u
7*6p
7gy*3
2*11ht

Answer 5

35t
12u
42p
21gy
22ht