Answer:
width = 10 units and length = 20 units
Step-by-step explanation:
Let the width be w
so Length will be 2w
using the rectangle formula:





Find length:



Answer:
$100
Step-by-step explanation:
20%+30% = 50% off
50/100 = 1/2
200*1/2 = $100
Answer:
The sun is 9.2549 x 10^-7 miles from the earth
NOTE: I don't know how many significant figures you are needing/given.
Step-by-step explanation:
The earth is 92.549 million miles from the sun.
92 549 000 miles from the sun.
Move the decimal place left until you're right after the first significant figure.
9.2549 x 10^-7
14 m: 14,000 mm
790 cm : 7.9 m
782 km : 782,000 grams