Answer:
Step-by-step explanation:
<em>Use of formula: (a^b)^c = a^(bc)</em>
- (9^-9)^-3 =
- 9^ (-9×(-3)) =
- 9^27
Answer:
30
Step-by-step explanation:
Work backwards:
- 6 is 3/5 of a number, and that number is 10
- 10 is 1/3 of a number, and that number is 30
Check your work:
- 2/3 of 30=20 toy to Sarah
- 30-20=10 toys left
- 2/5 of 10=4 toys to Ryan
- 10-4=6 toys left
Answer:
9.06
Step-by-step explanation:
1. Add up all data values to get the sum:
-8 + 12 + 25.9 + -6.3 + 21.9 = 45.5
2. Count the number of values in your data set:
5
3. Divide the sum by the count:
45.4/5 = 9.06
4. You can round to 9.1
Answer:
6
Step-by-step explanation:
The formula for area is A= pi r ^2
