Bonjour,
a)
10 dB
1e-11 W.m-2
28 dB
9.999999999999999e-11 W.m-2
46 dB
9.999999999999999e-10 W.m-2
b)
for i in range(10, 55, 5) :
6)
numero_table=5
n=0
for i in range(0, 11, 1):
print (n, " x ", numero_table, "=", numero_table*n)
n=n+1
0 x 5 = 0
1 x 5 = 5
2 x 5 = 10
3 x 5 = 15
4 x 5 = 20
5 x 5 = 25
6 x 5 = 30
7 x 5 = 35
8 x 5 = 40
9 x 5 = 45
10 x 5 = 50
7)
reduction=0.2
for i in range(55,60,65) :
print('L'economie réalisée est de ', reduction * i, " Euros")
Bon Courage
