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help me! i need help withthis math problem: 10 to the fourth power times (6+78) divided by 7. ITs due tomorrow! Please help!

 Dec 2, 2014

Best Answer 

 #7
avatar+1090 
+11

First let's write this out in a formulaic sense:

10^4 * (6 + 78) ÷ 7

To do this, we need to know Order of Operations (PEMDAS)

First we do parenthesis (P):

10^4 * (6 + 78) ÷ 7

10^4 * 84 ÷ 7

Next, exponents (E):

10^4 * 84 ÷ 7

(10^4 = 10 * 10 * 10 * 10)

10000 * 84 ÷ 7

Next, Multiplication and Division (MD):

10000 * 84 ÷ 7

840000 ÷ 7

120000

You are correct, j*z123. I just wanted a bit more explanation.

 Dec 2, 2014
 #1
avatar+37 
0

10 to the fourth power is 40

6+78=84

84*40=840

840/7=120

Hope this helped :)

 Dec 2, 2014
 #2
avatar+1090 
+3

No, that is incorrect! Wait, and I'll write the correct answer.

 Dec 2, 2014
 #3
avatar+37 
0

Thankyou for catching that

10 to the fourth power is 40

6+78=84

40*84=3360

3360/7=480

 Dec 2, 2014
 #4
avatar+1090 
0

Still incorrect, 10^4 is not 40.

 Dec 2, 2014
 #5
avatar+37 
0

OHHH   WHOOPS

 Dec 2, 2014
 #6
avatar+37 
+8

10 to the fourth power os 10000

6+78=84

10000*84=840000

840000/7=120000

 Dec 2, 2014
 #7
avatar+1090 
+11
Best Answer

First let's write this out in a formulaic sense:

10^4 * (6 + 78) ÷ 7

To do this, we need to know Order of Operations (PEMDAS)

First we do parenthesis (P):

10^4 * (6 + 78) ÷ 7

10^4 * 84 ÷ 7

Next, exponents (E):

10^4 * 84 ÷ 7

(10^4 = 10 * 10 * 10 * 10)

10000 * 84 ÷ 7

Next, Multiplication and Division (MD):

10000 * 84 ÷ 7

840000 ÷ 7

120000

You are correct, j*z123. I just wanted a bit more explanation.

Mathematician Dec 2, 2014
 #8
avatar+37 
+5

YEs, thankyou for clearing that up for me :)

 Dec 2, 2014
 #9
avatar+118667 
+5

There was some good teaching and learning happening here  - That is great to see  

 

Thanks J*z123 and mathematician  

 Dec 3, 2014

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