Because, if 6 + 6 = 12, then in 6 + 7, 7 can be splitted into 6 + 6 + 1, and so you find it easier...!!
Answer:
Y=-2/3x + 5
Step-by-step explanation:
You will want to round to 977.259
look at the number to the right of 9, it is 8, and 8 > 5. IF the number is 5 or greater, round up.
so your answer is 977.260
hope this helps
( 3 x 10^9 ) x ( 2 x 10^17 ) = 6 x 10 ^ 26