When you add 7 and 8 it equals 15 so if you were to add 17 and 18 it would become 35 because that extra ten from the 7 and 8 can equal a ten which is moved over to the tens place. Like if you did 12+29 you do the ones. then the last number from the 11 (1) goes in the ones and you move the first one over do the tens which equals 3 + 1 in the tens so it equals 41.
Answer:53 books
Step-by-step explanation:
Answer:
x + 50° + 70° = 180°
or, x + 120° = 180°
or, x = 180° - 120°
•°• x = 60°
Step-by-step explanation:
x + 50° + 70° = 180° ( Due to Straight line )
Answer:
1. 3.2 x 10^4
2. 6 x 10^4
3. 1.04 x 10^5
4. 1.82 x 10^7
5. 9.23 x 10^6
6. 4.05 x 10^5
7. 2.019 x 10^3
8. 3.02 x 10^4
Step-by-step explanation:
Next time don't randomly comment on other people's questions to get points without putting in the effort. Spread credibility, not liability. Do the rest by yourself; there are multiple resources online that you can learn from!