Answer:
1. 4x9=36
2. 84x50=4200, 4200x3=12,600
3. 1.4 + 0.7 + 0.9=3, 12/3=4
4. 15+15=30, 86-30=56, 56/2=28
5. 14^2 + 9^2, 196+81=277 √277=16.6, √16.6=4.0743
6. 200/6=12.5
7. 30*18=540, 540*2.25=12.15
8. 12*16.6*21*14=58,564.8, 58564.8/28000=2.0916
Step-by-step explanation:
Hope this helps! Brainliest would be much appreciated! Have a great day! :)
