Anyone know answers ?

1.) On the 5th time they're sent it will have 1364 chain letters

2.) On the 6th time they're sent it will have 5460 chain letters

Step-by-step explanation:

4^x + y (y of x - 1)

4^1 + 0

4 + 0 = 4

4^2 + 4

16 + 4 = 20

4^3 + 20

64 + 20 = 84

4^4 + 84

256 + 84 = 340

4^5 + 340

1024 + 340 = 1364

4^6 + 1364

4096 + 1364 = 5460

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.