Answer:
3^-9
Step-by-step explanation:
3^-4 • 3^-5
We know that a^b * a^c = a^(b+c)
3^-4 • 3^-5 = 3^(-4-5) = 3^ -9
24
30 secs = 0.5 min
thus 84 / 3.5 min = 168 / 7 = 24
b. 14
3
,
4
56
−
79
82
0
