$\frac{(x^{ - 2}{y}^{10})^{2} }{ {x}^{5} {y}^{ - 3} } \\ \frac{ {x}^{ - 4} {y}^{20} }{ {x}^{5} {y}^{ - 3 } } \\ {x}^{ - 9} {y}^{23} \\ \frac{ {y}^{23} }{ {x}^{9} } \\ ans \: c$

8 0

2 years ago

A science fair poster is a rectangle 36 inches long and 24 inches wide what is the area of the poster in square feet

ella [17]

Well it has to be 3*2 = 6 square feet. Note: first convert 36 inches to 3 feet and 24 inches to 2 feet.

6 0

3 years ago

What is the total surface area of the pyramid??

Dominik [7]

rectangular base= 6*10= 60cm^2

big triangles = 12*5=60, 60*2=120cm^2

small triangles= 12.6*3=37.8, 37.8*2=75.6cm^2

add = 255.6 cm^2

4 0

2 years ago

6[4 x (5 + 4) – 3]<br> ITS TIMED

Damm [24]

Answer:

198

Step-by-step explanation:

Parentheses

Exponents

Multiply

Divide

Add

Subtract

5 0

3 years ago