How to solve integers problems with big numbers
1 answer:
Answer:
Step-by-step explanation:
To solve this problem, first you have to use add & subtract integers from left to right. Additive inverse is a opposite of a number. Additive inverse are the same distance from zero. The absolute value are the same.
First, add & subtract numbers from left to right.
Therefore, the correct is -3.
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The total number of marbles is 
.
If we draw a red marble, the chance of that occurring is
.
Now the total number of marbles left is 7. If we then draw a green marble, the chance of that occurring is
.
So the chance of drawing a red, then green, marble is
.
If we draw a red marble, the chance of that occurring is
Now the total number of marbles left is 7. If we then draw a green marble, the chance of that occurring is
So the chance of drawing a red, then green, marble is