Is -7/8 equivalent to 49/-56? YES
because
49/7 = 7
-56/7 = 8
so
49/-56
= 7/-8
= -7/8
2) vertical angles
vertical angles are always across from each other where two lines cross
angle 6 and angle 8 are also vertical
angle 1 and angle 3 are also vertical
angle 4 and angle 2 are also vertical
hope this helps :)
Answer:
A
Step-by-step explanation:
Just took the test :)
<u><em>Answer:</em></u>
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10
. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
3.9894 ×