Answer:
3) 10^12
4) 0.99^4
8) x^12
9) 3/4^6
Step-by-step explanation:
10^(6+5+1)
0.99^(3+1)
x^(6+2+4)
3/4^(2+2+2)
3) 10^12=1000000000000
4)0.99^4=0.96059601
8)x^12
9)(3/4)^6=0.1779...
