MATHEMATICS MIDDLE SCHOOL

In which expression should the exponents be multiplied?2 to the power of 9 then 2 to the pwer of 7
(6 to the power of 10)-7
(1/2) to the power of 3*(1/2) to the power of 5
5 to the power of 2 * * 5 to the power of 4

Answers

Answer 1
Answer: \left(a^n\right)^m=a^(n\cdot m)\n\ntherefore,\ your\ answer:\n\n\left(6^(10)\right)^(-7)=6^(10(-7))=6^(-70)
Answer 2
Answer:


The answer is (6 to the power of 10)-7

I hope this helps!!

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Sibyl has seen four more films than Linda. Linda has seen twice as many films as Joel. If Sibyl has seen s films, then in terms of s, what expression can represent the number of films Joel has seen? Can you please explain it?

Answers

If Sibyl has seen 4 more films than Linda, then Linda has seen 4 less films that Sibyl. So, you can write the expression L (Linda)=S-4.
If Linda has seen twice as many films as Joel, then Joel has seen half the films that Linda has seen. So you can write this at J=1/2L.
If L=s-4, then the number of films Joel has seen can be written as 1/2(s-4).
I hope this helps!

Nick randomly selects a digit from the set { 0 , 1 , 2 , . . . , 9 } and a letter from the set { A, B, C, . . ., Z } . Matthew will try to guess both the digit and the letter. Which expression gives the probability that Matthew will incorrectly guess both the digit and the letter?

Answers

Answer: 259/260 or 0.99615 (depending on which answer format your teacher wants)

There are 10 numbers in the set {0, 1, 2, ..., 9}. There are 26 letters in the set {A, B, C, ..., Z}. Multiply those values: 10*26 = 260. So there are 260 ways to pick a number followed by a letter. One example is 7P.

There is only one way Matthew can get the correct answer, and there are 260 - 1 = 259 ways to get the wrong answer. We divide 259 over 260 to get the probability of getting the incorrect answer, which is 259/260.

If you need this fraction in decimal form, then use a calculator to find that 259/260 = 0.99615 approximately

Tara is the editor of the school newspaper. She tries to devote about 1/2 of the paper to news, 1/3 to pictures, and the remainder to advertising. About how much of the paper is devoted to news and pictures?

Answers

So basically, all you need to do is add the two fractions: 1/2 & 1/3.

If you do not not know how to add fractions, all you need to do is find a common denominator. In this case, the common denominator is 6. Now, the question becomes:

3/6 + 2/6 =
5/6

I'm sorry if I did not clarify this well,
Hope this helps and correct me if I am wrong!

Two friends share 3 fruit bars equally how much does each friend get

Answers

OK well 1.5 each divide 2 into 3 :) hope it helps
so 3 divided by 2 is: 1.5Hope is helped:D

tanya has a dog leash that is 2 yards long she shortens the leash by 1 and 1 half feet what is the length of the shortened leash

Answers

! yard=3feet
6ft-1 & 1/2

The shortened leash is 4 1/2 ft

or 1 yard and 1&1/2ft



Good luck! XD
Thats easy. 4 feet and six inches. 2 yards=6 feet
6-1.5=4.5

K= 2m-x/ x solve for x

Answers

the answer is x = 2m/1+k
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