A student says to round 763,400 to the nearest ten thousand,they will round 770,000.Is the student right explain

2 answers:

8 0

No, 763,400 rounded to the nearest ten thousand is 760,000 because the digit in the thousands place value (3) is less than 5, so you underestimate

Murrr4er [49]2 years ago

4 0

The student if definitely incorrect because you are rounding from the 3rd digit ( the 3 in 763,400) It is bellow 5, only numbers above 5 will round up.

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1. Explain the rule to solve - 15 + 4. Then write you answer.

mestny [16]

1) the rule for #1 is is to subtract the small number from the big number so (15-4) (get rid of all the signs when doing this see how i took away the sign from 15) the answer is then 11 but you pit the sign of the bigger number since 15 is the bigger number and it has the negative sign you put the negative sign on 11 so the answer for 1 is -11

2) to solve -3*-5 you have to realize that they are both negative and the rule of multiplying negative integers is that a negative times a negative = a postive (weird but those are the rules) so -3*-5=15

4 0

2 years ago

Sasha buys two ribbons of equal length. She cuts 9 pieces of the same length, L, from the first ribbon and finds that 5 inches a

nikitadnepr [17]

Answer:

50 inches.

Step-by-step explanation:

Let the length of the each ribbon was x.

Now, she cuts 9 pieces of same length L which means total length is 9L.

Now, doing the same she was left with 5 inches of ribbon. Hence, we have

[tex[9L+5=x.....(1)[/tex]

Similarly, we can write a equation for the second situation.