Explanation:
Below is an attachment containing the solution.
Answer:
Probably A.
Explanation:
Its either A or C. A is more probable imo
I think Magnesium not sure because the relative atomic mass of magnesium is 24,31.
To round 409,614 to the nearest thousand you have to eliminate the units, the tens and the hundreds, and then round the number in the place of the thousands according to the number eliminated from the place of the hundreds: if the eliminated number is smaller than 5, the number in the thousands is increased in one unit; if the eliminated number is 5 or greater, then the number of the thousands must be increased in one unit. Given that the number in the hundreds is 6, you have to increase 409 to 410 ant the resultant number is 410,000. <span>Answer: 410,000.</span>