According to the United States Mint, the mass of 1 nickel is 5.000 g.

There are 15 nickles in 75 cents worth of nickels.
15 * 5.000 g = 75.000 g
Answer: 75.000 grams
Answer: 0.000000009085
Step-by-step explanation: This expression is rewritten like this because it is multiplied by a negative power of ten. Therefore, applying this principle to scientific notation, the answer would have to be less than 0. That would be your answer. Hope this helps!
Light travels 5,580,000 mi/s in thirty seconds
Answer:
3(a-b) and 3a-3b. Equivalent
2a(2+b) and 4ab. Not equivalent
Step-by-step explanation:
hope this helps:)