Răspuns:
a)
56 = 50 + 6 = 5 x 10¹ + 6 x 10⁰
b)
83 = 80 + 3 = 8 x 10¹ + 3 x 10⁰
c)
138 = 100 + 30 + 8 = 1 x 10² + 3 x 10¹ + 8 x 10⁰
d)
835 = 800 + 30 + 5 = 8 x 10² + 3 x 10¹ + 5 x 10⁰
e)
470 = 400 + 70 = 4 x 10² + 7 x 10¹ + 0 x 10⁰
f)
507 = 500 + 7 = 5 x 10² + 0 x 10¹ + 7 x 10⁰
g)
2001 = 2000 + 1 = 2 x 10³ + 0 x 10² + 0 x 10¹ + 1 x 10⁰
h)
101010 = 100000 + 1000 + 10 = 1 x 10⁵ + 0 x 10⁴ + 1 x 10³ + 0 x 10² + 0 x 10¹ + 1 x 10⁰