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leva [86]
3 years ago
10

Simplify 3^2 × 3^7 What is the value of the exponent?​

Mathematics
1 answer:
scoundrel [369]3 years ago
4 0

theeeee answeeer is 189 (I made the e's longer BC it says it need to be longer)

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Which expressions are equivalent to 8 (negative 10 x + 3.5 y minus 7)? Select two options.
Elza [17]

Question is Incomplete; Complete question is given below.

Which expressions are equivalent to 8 (negative 10 x + 3.5 y minus 7)? Select two options. Negative 80 x + 24.5 y minus 56 Negative 80 x + 28 y minus 56 80 x + 28 y + 56 4 (negative 20 x + 7 y minus 14) Negative 4 (negative 20 x + 7 y minus 14)

Answer:

Negative 80 x + 28 y minus 56

4 (negative 20 x + 7 y minus 14)

Step-by-step explanation:

Given:

8(-10x+3.5y-7)

We need to find the equivalent expression for given expression.

Solution:

8(-10x+3.5y-7)

First we will apply distributive property for given expression.

a(x+y) =ax+ay

So we get;

8\times-10x+8\times3.5y-8\times7\\\\-80x+28y-56

Hence first expression equivalent to given expression is -80x+28y-56.

Now again evaluating the expression we get;

We will take 4 as common factor from the expression we get;

-4\times20x+4\times7y-4\times14\\\\4(-20x+7y-14)

Hence second expression equivalent to given expression is 4(-20x+7y-14).

3 0
3 years ago
Read 2 more answers
•** Plss help me **•
VashaNatasha [74]

Answer:

30

Step-by-step explanation:

You can use the triangle area theorem-

15x4(/2)=30

4 0
2 years ago
The radius of a circle is 8 feet. What is the circle's area?<br> Use 3.14 for ​.
Fofino [41]

Answer:

200.96

Step-by-step explanation:

3.14*8*8=200.96

5 0
3 years ago
If JM=30 and LM=8, what is KM?
Varvara68 [4.7K]

Answer:

Step-by-step explanation:

8 0
2 years ago
Six workers can do 9 identical jobs in 3 days. How long will it take 4 workers to do 10 such jobs ???
Delicious77 [7]
6 workers-9 jobs in 3 days
In one day 6 workers can do 3 jobs
In one day 1 worker can do 0.5 job
4 workers can so 2 jobs in a day
So. They can do 10 jobs in 5 days
4 0
3 years ago
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