Answer:
3?
Step-by-step explanation:
im not 100% sure
Answer:
<em>n = 6 </em>
Step-by-step explanation:
2.3 × 
= (1 × 10³)(2.3 × 
)
(1 × 10³)(2.3 × ) = (1)(2.3) × (10³)( ) = 2.3 × 
2.3 × = 2.3 × ⇒ 3 + n = 9 ⇒ <em>n = 6</em>
Answer:
17. 10x+24 OR 108 18. 72 19. 8.4
Step-by-step explanation:
(10x+24)+72=180
10x+96=180
10x=84
x=8.4
10x+24
10(8.4)+24
84+24
108
Step-by-step explanation:
r=4.2
cicumference of circle =2Πr=2×3.14×4.2=26.3
