Answer:
21.4
Step-by-step explanation:
x = 45
→ Add all the angles together
x + 2x + 3x + 90 = 360
→ Simplify
6x + 90 = 360
→ Minus 90 from both
6x = 270
→ Divide by 6
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The answer would be 2,187
1). solution
3³÷3^(-4)
3³×3⁴. ( power sign changes when divide sign change into multiply)
2,187
