Answer:
420 m
Step-by-step explanation:
a square has four sides, and each 105 m long
all the sides of a square are equal
105 +105+105+105= 420m
= 420m
8
find the pattern -19+8=-11, -11+8=-3, -3+8=5
I think it is 16
70.91 x 10 = 709.1
70.91 x 100 = 7,091
70.91 x 1000 = 70,910
a certain number that i do not know
