(i) I used distributive property to get the x’s and y’s out of parentheses. I then combined like-terms to simplify until I could do no more. That is your final answer for (i) is -3x - 12y
(ii) This one is similar to the first one, just with no parentheses. I combined like terms again until not like terms were left. Your final answer for (ii) is -3k -2 -2n
(iii) I started by dividing 15 by 3 and got 5, and because the 15 had an x to it, you get 5x. I then moved onto the next term, 9. 9 divided by 3, to get 3. Your final answer for (iii) is 5x + 3
Answer:
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Step-by-step explanation:
Answer: 939,520
Step-by-step explanation: To round 939,515 to the nearest ten, we first find the digit in the rounding place which in this case is the 1 in tens place.
Next, we look at the digit to the right of of the 1 which in this case is 5.
According to the rules of rounding, since the digit to the right of the rounding place is greater than or equal to 5, we round up.
This means that we add 1 to the digit that's in the rounding place so 1 will become 2 and we change all the digits that appear to the right of the rounding place to 0.
So 939,515 rounded to the nearest 10 is 939,520.
Answer:
1.00 cm Is the greatest level of precision possible for the measurement of the width of the spin of the book