anonymous
  • anonymous
PLZZZ HELP Which equations show the identity property of multiplication? Choose exactly TWO ANSWERS that are correct. A. -1/4 • (–4) = 1 B. –3 • 1 = –3 C. 4.2 = 1 • 4.2 D. 0 • (–8) = 0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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tkhunny
  • tkhunny
What is the multiplicative identity? It's a number.
anonymous
  • anonymous
1
tkhunny
  • tkhunny
Okay, which demonstrates multiplication by 1?

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anonymous
  • anonymous
so B and C?
tkhunny
  • tkhunny
Done. Move on to the next one.
anonymous
  • anonymous
okay Will you still help me?
anonymous
  • anonymous
Using the commutative property of multiplication, which number completes the statement correctly? (3 • 4.6) • (–5) = (4.6 • ) • (–5)
anonymous
  • anonymous
@tkhunny ?????
anonymous
  • anonymous
@Projects ??
Projects
  • Projects
What's your choices?
anonymous
  • anonymous
i just have to put in a numbur... (3 • 4.6) • (–5) = (4.6 • ___ ) • (–5)
Projects
  • Projects
Ahh, okay so no choices? Well let's see.. 3 times 4.6 equals?
skullpatrol
  • skullpatrol
ab = ba
anonymous
  • anonymous
it equals 13.8
skullpatrol
  • skullpatrol
What is 4.6 times 3?
Projects
  • Projects
Okay so now (13.8) times (-5) equals?
anonymous
  • anonymous
-187.561446164
skullpatrol
  • skullpatrol
No need to go that far @projects :) The question asks for the commutative property not the associative property
Projects
  • Projects
Whoops, miss read it.. thanks for pointing it out for me @skullpatrol c:
Projects
  • Projects
Well now @fryfry2003 so what do you predict the number is going to be for the blank space?
Projects
  • Projects
|dw:1433434867004:dw| As @skullpatrol said, ab = ba
anonymous
  • anonymous
3?
skullpatrol
  • skullpatrol
Good work, that is correct :-)
Projects
  • Projects
Dingdingding! Lol, remember you want both sides to equal.
skullpatrol
  • skullpatrol
3 is the only number that will make that equation a true statement That is, both sides will have the same value.
Projects
  • Projects
^^^^
skullpatrol
  • skullpatrol
New students should learn that the equals sign is used to show That the two expressions on either side have the same value. 4 + 2 = 6 is true because 6 = 6 is a true statement.
skullpatrol
  • skullpatrol
Any questions? @fryfry2003
anonymous
  • anonymous
NOPE
tkhunny
  • tkhunny
One question per thread, please.

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