the mass of the rock of gibraltar is 1.78 x 10^12 kilograms. The mass of the antarctic iceberg is 4.55 x 10^13 kilograms. approximately how many more kilograms is the mass of antarctic iceberg than the mass of the rock of gibraltar? show your work and write your answer in scientific notation.

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

step-by-step explanation:

what does 'mandy have ben 780 bottle caps. ' mean?

look in attachments

step-by-step explanation:

a = (-2, 0)

b= (-4, 0)

c = (-5,2)

d = (-1,2)