Answer:
17.3
Step-by-step explanation:
50 - 32.7 = 17.3
74
4(2) raise to power 4 - 2(7) raise to power 2 +40
4(16) - 2(49) +40
64-98+40
64- 138
-8.95 ,, -8.36 ,, 7/28 ,, 8 22/40
