Answer:
a
Step-by-step explanation:
It is 6 as one of them is +3 and the other is -3, the difference between 3 and -3 is 6
6 + (-10) = -4 hope that helps
Answer:
15 feet 1 inch
Step-by-step explanation:
Given :
Length of boards placed end to end :
Board 1 = 4 feet 5 inches
Board 2 = 6 feets 9 inches
Board 3 = 3 feets 11 inches
The length is the addition of the lengths of the 3 boards :
4 ft 5in + 6 ft 9 in + 3 ft 11 in
(4+6+3) ft + (5+9+11) in
13ft + (25in)
1 ft = 12 in
25 in = 2 ft 1 in
13 ft + 2ft 1 in
15 ft 1 in
Part A: 5.868 * 10^6
Part B: 1.888*10^11
