7z + 10 - z = 8z - 2(z - 5)
7z + 10 - z = 8z - 2z + 10
6z + 10 = 6z + 10
6z - 6z = 10 - 10
0 = 0
Therefore, 7z + 10 - z = 8z - 2(z - 5)
Use Ga_thMath(u) (brainly doesn't allow me to type it) To use the app u need to take a pic of the problem and then it will process it and you'll get ur answer ASAP(most of the time). Many questions have been asked before so search it on brainly.
Answer:
11.9
Step-by-step explanation:
The tenth place is the first decimal. You round down from 1-4 and up from 5-9, so round up.
11.9
Answer:
8.3023007 x 10
Step-by-step explanation:
The reason for this is because we move the decimal places left 7 digits, that is why the exponent is 7.
The formula on nth term is l=ar^(n-1)
The 1st term is 2 & r,the ration =3
Then is 2x3^(n-1). Mind you (n-1) is an exponent on 3
