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r-ruslan [8.4K]
3 years ago
9

How to evaluate this expression -3 . (6 + 4 . 2)

Mathematics
1 answer:
lilavasa [31]3 years ago
4 0

Answer:

9

Step-by-step explanation:

All you have to do is follow this order while working a problem!

Example 1:

If a = 4 and b = 5, what is ab – 2b?

Since there are no parentheses or exponents,

you first plus in the values for a and b and multiply those together.

(4 ´ 5) You get 20.

Then, you multiply 2b or (2 ´  5 )which gives you 10.

Last, you subtract the second answer from the first (20 -10),

which gives you 10!

Example 2:

Evaluate 6x / 4 when x = 6.

Because multiplication and division are equal in the order of operations, you solve the problem by reading it from left to right like one would read a book.

6 x 6 = 36.

You then divide that number by 4.

The correct answer is 9.

(clip art was taken from http://www.kidsdomain.com/holiday/school/clip.html)

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