Răspuns:
Explicație pas cu pas:
a)
2^2*3^4 = (2*3^2)^2 = (2*9)^2 = 18^2
2^2*3^4*5^6 = (2*3^2*5^3)^2 = (2*9*125)^2 = 2250^2
2^100 : 2^84 = 2^16 = (2^8)^2 = 256^2
2^6*5^2 = (2^3*5)^2 = (8*5)^2 = 40^2
____________
b)
14
7^2 = 49
a
____________
c)
18
2250
256
40
