$\text{Use}\\\\(ab)^n=a^nb^n\\\\(a^n)^m=a^{nm}\\\\a^{-n}=\dfrac{1}{a^n}\\-------------------\\\\2(5m^4n^{-1})^3=2(5)^3(m^4)^3(n^{-1})^3=2(125)m^{3\cdot4}n^{-1\cdot3}=250m^{12}n^{-3}=\dfrac{250m^{12}}{n^3}$

8 0

4 years ago

You roll a 6-sided die. What is the probability of rolling a 4? Write it as a fraction. P(4)=

Shkiper50 [21]

Answer:

P(4)= 1/6

Step-by-step explanation:

Lots of Love!! <3

Stay Safe! Stay at Home!! =)

8 0

4 years ago

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Solve the equation x2 + 7x = 30.

Law Incorporation [45]

Answer:

2*7=14+6=30 points plz

5 0

3 years ago

Ashlyn had some Barbie dolls. Joslyn has 78 barbies. Rounded to the nearest ten, together they have 140 Barbie dolls. How many d

azamat

ashlyn has 60 barbie dolls

6 0

3 years ago

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