Question

Expresa en notacion cientifica y calcula:
a) 3,6x10∧12 - 4x10∧11 =
b) 5x10∧9 + 8,1x10∧10
c) 8x10∧-8 - 5x10∧-9
d) 5,32x10∧-4 + 8x10∧-6

Answer 1

a. (3.6x10-4)x10^11
(36-4)x10^11
32x10^11
3200000000000

b.
(5+8.1x10)x10^9
(5+81)x10^9
86x10^9
86000000000

c.
(8x10-5)x10^-9
(80-5)x10^-9
75x10^-9
0.000000075

d.
(5.32x10^2+8)x10^-6
(5.32x100+8)x10^-6
(532+8)x10^-6
540x10^-6
54x10^-5
0.00054