Can someone please help me. This deals with commutative property:
1.(25x87)x4
2.(63x20)x5
3. (3x5)x20
4. (7+15)+ 13
THIS IS FINDING THE PRODUCT OR QUOTIENT
1. (-0.9)(3)
2. (-121)DIVIDED BY(-11)
3. (-4)(4)DIVIDED BY(-1)
2006-09-14 12:30:50 · 9 answers · asked by ♥Ashleyy♥ 1 in Science & Mathematics ➔ Mathematics
thanks so how do you do the second part?
2006-09-14 12:38:20 · update #1
Sorry but these are all very easy problems - do them yourself and convince yourself that you CAN do them
Using the commutative property simply means to rearrange them to make them even easier
2006-09-14 12:33:44 · answer #1 · answered by MollyMAM 6 · 1⤊ 0⤋
The second part is pretty easy. For #2 and #3 on the second part, make sure to remember that a negative divided by a negative is a positive! So for #2, you would get 11 instead of -11. And for #3 on the second part, first multiply -4 and 4 to get -16, then divide by -1. Since you're dividing by a negative, you'll get a positive 16! Good luck =)
2006-09-14 12:41:53 · answer #2 · answered by ♥me 2 · 0⤊ 0⤋
An operation is commutative if you can change the order of the numbers involved without changing the result. Addition and multiplication are both commutative. Subtraction is not commutative: 2 - 1 is not equal to 1 - 2.
Changing the order in which the multiplication is done in 1 through 4 will not change the result.
Product or quotient::
+ times + or + divided by + = +
+ times - or + divided by - or - divided by + = -
- times - or - divided by - = +
2006-09-14 12:42:47 · answer #3 · answered by williegod 6 · 0⤊ 0⤋
for the first 4...do the stuff in the parenthesis first (....)
like for number 4....7 + 15 first and then that answer + 13.
Same method for the first 3.
for 1 and 2 on the bottom...there is no need to do anything extra...just solve or plug in calcular. for the bottom one...do (-4)(4) first and then divide the answer by -1.
remember that - number / - number = + number / + number.
2 negatives make a positive.
2006-09-14 12:46:18 · answer #4 · answered by pistonfan1111 1 · 0⤊ 0⤋
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2016-11-26 23:36:36 · answer #5 · answered by dudziak 4 · 0⤊ 0⤋
The communative property just means that you can rearrange the terms in the equations without affecting the result - the order doesn't matter.
2006-09-14 12:36:13 · answer #6 · answered by Will 6 · 0⤊ 0⤋
on the seconed part:
1. just muliply..ur answer is -2.7
2. just divide!..11
3. multiply -4*4 which is -16 then divide by -1...which is 16
2006-09-14 12:55:30 · answer #7 · answered by desire_4_life_4_shoo 1 · 0⤊ 0⤋
Yeah, these are pretty easy, just work left to right
2006-09-14 12:35:06 · answer #8 · answered by dennismeng90 6 · 1⤊ 0⤋
it looks like you should pay atention in school
2006-09-14 12:36:32 · answer #9 · answered by ashilia_is_me 2 · 0⤊ 0⤋