Answer:
Raise the power
Step-by-step explanation:
-1 / 7 = x
You need to combine the 2x and 5x then devise the 7x from -1
Answer:
89.9403 ...
Step-by-step explanation:
Answer:
7.9
4.2
9.3
17.8
Step-by-step explanation:
8. √63
the square of 8 is 64 √63 is close to 64 so we can say it's 7.9 approximately
9. √18
the square of 4 is 16, √18 is greater than 16 so we can say it's 4.2 approximately
10. √87
the square of 9 is 81, √87 is greater than 81 so we can say the value of it is approximately 9.3
11. √319
the square of 18 is 324, √319 is smaller than 324 so we can say it's 17.8
D=6 or 3x2 and R= 3.14 should be correct! hope this helps
