907,701,000,000 in scientific notation is 9.07701 * 10^11.
Answer:
x=15
Step-by-step explanation:
<GCB=180-5x
<EBA=9x
<DAC=8x
The sum of the three exterior angles equals 360.
(180-5x)+9x+8x=360
180-5x+9x+8x=360
-5x+9x+8x=360-180
12x=180
x=15
The answer to your question is 30+4.+10+4
I think the answer might be b