Answer:
12^14 (Decimal: 1.2839185e+15)
Step-by-step explanation:
12^9 x 12^5
add the powers (9+5)
12^14
1.2839185e+15
Step-by-step explanation
12^9=5159780352
12^5=248832
x=15/4
add 4x to the other side then divide both sides by 4
1/10th?
Pretty sure that's it.
Correct me if I'm wrong,
15 x 3= 45 so therefore 45 is the length hope that help!