Step by step, we have:
1 • (-1)= -1
Then -1 • 1 = -1 and -1 • (-1)= 1 =》 1 - 1 = 0
The answers is 0
<span>To find the circumference of a circle, you use the formula, pi x diameter. Pi=3.14. The diameter is not given to you in the question but we know that radius is half of diameter. So 10 times 2=20. Diameter =20. </span><span> multiply pi and the diameter. 3.14 x 20=62.8. </span>62.8 cm is your circumference
Do you divide 1/2 feet which would be 6 feet? Idk cause I'm only in 7th grade