Question

Please help me with the following questions:
19. Write the next two steps:
1x9+2=11
12x9+3=111
---------------
---------------
20.Observe the following pattern and extend them by two more terms:
11x11=121
101x101=10201
10101x10101=102030201
--------------------------------
-------------------------------

Answer 1

Answer:

Step-by-step explanation:

Write the next two steps:

1x9+2=11

12x9+3=111

-----123x9+4=---1111-------

1234x9+5=11111

2.11x11=121

101x101=10201

10101x10101=102030201

1010101x1010101=1,020,304,030,201

101010101x101010101=1.02030405040302e+16