$0.\underbrace{00028}_{\rightarrow5places}=28\times10^{-5}\\\\0.00028:(7\times10^{-4})=\dfrac{28\times10^{-5}}{7\times10^{-4}}=\dfrac{28}{7}\times\dfrac{10^{-5}}{10^{-4}}\\\\=4\times10^{-5-(-4)}=4\times10^{-5+4}=\huge\boxed{4\times10^{-1}}\leftarrow\boxed{b.}\\\\used\ \dfrac{a^n}{a^m}=a^{n-m}$

6 0

3 years ago

What is the difference between categorical and quantitative data? Give examples of each of your own for each. Also decide whethe

Snezhnost [94]

Categorical data may or may not have some logical order while the values of a quantitative variable can be ordered and measured.

Categorical data examples are: race, sex, age group, and educational level

Quantitative data examples are: heights of players on a football team; number of cars in each row of a parking lot

a) Colors of phone cover - quantitative

b) Weight of different phones - quantitative

c) Types of dogs - categorical

d) Temperatures in the U.S. cities - quantitative

6 0

3 years ago

What is the value of the discriminators 3x^2-4x+2=0

ohaa [14]

Answer:

x =(4-√40)/6=(2-√ 10 )/3= -0.387

x =(4+√40)/6=(2+√ 10 )/3= 1.721

Step-by-step explanation: Hope this helped!!!

plz give me brainliest!! thxxx

3 0

3 years ago

Which equivalent fractions can you use to find the difference of 5 and 3/13 and 1 and 4/9 ?

lbvjy [14]

5 3/13 = 68/13
1 4/9 = 13/9

7 0

4 years ago