Hello,
In my old memories,
p(μ-2σ<=X<=μ+2σ)=95%
p(μ-3σ<=X<=μ+3σ)=99%
1000-2*200=1000-400=600
1000+2*200=1000+400=1400
Answer A
Standard Form:
68,020
Expanded Notation Form:
68,020 =
60,000
+ 8,000
+ 0
+ 20
+ 0
Expanded Factors Form:
68,020 =
6 × 10,000
+ 8 × 1,000
+ 0 × 100
+ 2 × 10
+ 0 × 1
Expanded Exponential Form:
68,020 =
6 × 10^4
+ 8 × 10^3
+ 0 × 10^2
+ 2 × 10^1
+ 0 × 10^0
Word Form:
68,020 =
sixty-eight thousand twenty
Answer:
you need a ruler to measure to draw by using the measurements or number giving to you