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ohaa [14]
3 years ago
6

Help me please in part “A” and part “B”

Mathematics
1 answer:
Alla [95]3 years ago
4 0
Part A: 
The two expressions are equal because in the second expression all they did was move the decimal over one place to make it so both numbers had the same exponent value. 
Part B: 
The second expression takes less steps to solve because you can simply subtract the two numbers. 
0.14-2.83 = -2.69 
-2.69*10^4
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Read 2 more answers
Where did Jordan make her mistake? GIVING BRAINLIEST!
Ivenika [448]

Answer:

Jordan made mistake in his first step while multiplying.

Step-by-step explanation:

Given expression of Jordan's work is

14(8+4x) = 6x-(5-11x)

In the first step, Jordan multiplied the numbers to remove the braces.

He multiplied 14(8+4x) wrong as 14*8 is 112 rather than 126and on the right hand side, he did not change the sign of 11x to positive as two negatives are positive when multiplied.

Hence,

Jordan made mistake in his first step while multiplying.

7 0
2 years ago
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