Answer:21-3+8=26
-14+31-6=11
Step-by-step explanation:
Estimate using rate per 100. 24% of 289
Solution: We have to find the 24% of 289,
We know that:
![24\%=\frac{24}{100}](https://tex.z-dn.net/?f=24%5C%25%3D%5Cfrac%7B24%7D%7B100%7D)
![\therefore 24\% of 289 = \frac{24}{100} of 289](https://tex.z-dn.net/?f=%5Ctherefore%2024%5C%25%20of%20289%20%3D%20%5Cfrac%7B24%7D%7B100%7D%20of%20289)
![=\frac{24}{100}\times289](https://tex.z-dn.net/?f=%3D%5Cfrac%7B24%7D%7B100%7D%5Ctimes289)
![=0.24 \times 289](https://tex.z-dn.net/?f=%3D0.24%20%5Ctimes%20289)
![=69.36](https://tex.z-dn.net/?f=%3D69.36)
![\therefore 24\% of 289 = 69.36](https://tex.z-dn.net/?f=%5Ctherefore%2024%5C%25%20of%20289%20%3D%2069.36)
Answer:
4 option D
Step-by-step explanation:
Note that log2(2^n)=n
Thus we have:
Log2(2)+log2(8)=1+log2(2³)=1+3=4