Step-by-step explanation:
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Step-by-step explanation:
2) a= -3/8 and b= -5/3
a×b= b×a
<u>-3</u><u> </u>× <u> </u><u>-5</u><u> </u> = <u> </u><u>-5</u><u> </u> × <u> </u><u>-3</u><u> </u>
8. 3. 3. 8
<u> </u><u>1</u><u>5</u><u> </u> = <u> </u><u>1</u><u>5</u><u> </u>
24. 24
3)a=8/11 and b= -6/11
a×b=b×a
<u> </u><u>8</u><u> </u> × <u> </u><u>-6</u><u> </u> = <u>-6</u><u> </u> × <u> </u><u>8</u><u> </u>
11. 11. 11. 11
<u> </u><u>-48</u><u> </u> = <u> </u><u>-48</u><u> </u>
121. 121
4) a= -9/15 and b= -7/2
a×b=b×a
<u> </u><u>-9</u><u> </u> × <u> </u><u>-7</u><u> </u> = <u> </u><u>-7</u><u> </u> × <u> </u><u>-9</u><u> </u>
15. 2. 2. 15
<u> </u><u>6</u><u>3</u><u> </u> = <u> </u><u>6</u><u>3</u><u> </u> , let's divide both by 3
30. 30
<u> </u><u>2</u><u>1</u><u> </u>= <u> </u><u>2</u><u>1</u><u> </u>
10. 10
Answer:
4
Step-by-step explanation:
4 because each holds 5 people. If there were 3 cars, only 15 people would be able to go. There will be two extra spaces in the car.
The answer is 5.4 × 10^-4
