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Section 0.4
Evaluate the expression
4x2^3-5x6
answer is 2 but how?

2007-12-14 13:56:16 · 7 answers · asked by Anonymous in Science & Mathematics Mathematics

7 answers

= 4 x (8) - (30)
= 32 - 30
= 2

do the exponents first.

2007-12-14 13:58:54 · answer #1 · answered by Anonymous · 2 0

OK

OK - Order of operations

4x2^3-5x6 =
4 x 8 - 5x6=
32 - 30=
2

Hope that helps

2007-12-14 22:00:03 · answer #2 · answered by pyz01 7 · 1 0

2^3 = 8
4 x 8 = 32
32 - 5x6 = 2

2007-12-14 22:52:22 · answer #3 · answered by ViewtifulJoe 4 · 0 0

4x8=32-5x6=32-30=2

2007-12-14 22:01:38 · answer #4 · answered by Dave aka Spider Monkey 7 · 0 0

4x2^3 -- 5x6 = 4x8 -- 30 = 32 -- 30 = 2

2007-12-14 22:04:36 · answer #5 · answered by sv 7 · 0 0

4x2^3-5x6
Evaluate the exponent first:
4x8-5x6
Next come products:
32-30
Then add/subtract:
2

2007-12-14 22:00:47 · answer #6 · answered by Robert S 7 · 1 0

4 x 2^3 - 5 x 6

You always do multiplication and division first. Re-group:

(4 x 2^3) - (5 x 6)
(4 x 8) - (5 x 6)
32 -30
2

2007-12-14 21:59:31 · answer #7 · answered by Anonymous · 1 0

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