For each power of ten , the number of zeros written in the product is the same as the number of exponents.
B = √(13²-7²) = √(169-49) = √120
Since the absolute value of the negative number is greater than the positive number, the sum is negative.
Hope this helps!
Answer:
Step-by-step explanation:because all angles in a triangle add up to 180° 100°+30°=130° 180°-130°=50°