The mass rounded to the nearest tenth would be 256.7.
The numbers after the decimal point start at the tens and go up. (6=tens, 7=hundreds, 4=thousands.) The number after 6 is greater than 5, so 6 turns into 7 when rounded to the nearest tenth.
An acute angle is smaller than the right angle which means less than 90 degrees obtuse is more than 90 degrees but less than 180 degrees and a right angle is the biggest which is 180 degrees and you can fit a tiny square in the inside
Answer:
I can’t really explain this bc i did it mentally, but i got 162.5