Answer:
3x = 50 - 10y
Step-by-step explanation:
Here, x represents the number of 3 lb weights and y represents the number of 10 lb weights,
So, total weight of 3 lb weights = 3x
And, the weight of 10 lb weights = 10y
Total weight of all his weights = 3x + 10y
According to the question,
Total weight = 50 lb,
⇒ 3x + 10y = 50
Or 3x = 50 - 10y
Which is the required equation.
Second option is correct.
= 2^-16 * 5^10 * (5^-8 / 2^12) * 2^28
= 2^-28 * 5^2 * 2^28
= 5^2
= 25
hope it helps
2 tenths and 4 hundreds because if u combine then it would be 420 where as the first one would be 240
Your answer is correct, your on the right track as well. Just flip the negative number to its respective location.
Good luck :)
