3.3x10^1
I'm not exactly sure that it's the same as standard form but if it is then that's your answer
ANSWER

EXPLANATION
The given rectangle has area,

It was given to us that, the length of the rectangle is l=(x+8)
To find the width, we need to factor, the expression for the area.
We split the middle term to get,

We now factor by grouping;


We know that area of a rectangle is

Hence the width of the rectangle is,
Answer:
r = -5
Step-by-step explanation:
-11 = 1+3r+3
-11 = 3r + 4
3r = -15
r = -5
Answer:
Weight of copper: 62,000 lbs. (31 tons). Weight of framework: 250,000 lbs. (125 tons). Weight of concrete foundation: 54,000,000 lbs. Thickness of copper sheeting: 3/32 of an inch, the thickness of two pennies placed together. the answer in 125
Step-by-step explanation:
Answer:
Step-by-step explanation:
It’s c believe me