Answer:
4100
Step-by-step explanation:
Rounding means making a number simpler but keeping its value close to what it was. Visual image below of showing different places to round. Given to make rounding's more clear and easier for you.
8x83x8303x838x83x9993x93939x99393
2 answers:
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Hey There!
<h2><u>Question:-</u></h2><em>This is a algebraic expression. The values of a and b are given. The values are as follows :-</em>
a = -1
And,
b = +5 .
<h2><u>Solution</u><u>:</u><u>-</u></h2><em>Note that </em><u>a </u><em>is multiplied with 2 that is :-</em>
<u>Now, Insert the values that is a = -1 and b = 5 :-</u>
Here,we need to follow BODMAS Rule.
B = Brackets
O = Orders
D = Division
M = Multiplication
A = Addition
S = Subtraction
<em>We need to solve the bracket's </em><em>calculations</em><em> </em><em>first</em><em> </em><em>as </em><em>it </em><em>is </em><em>the</em><em> </em><em>rule.</em>
<u>So, Firstly Multiply (2 × -1)</u><u> </u><u>:</u><u>-</u>
Note that, (-) × (-) equals to (+).
So, it will be 5+2,But as 5 is bigger number than 2, 5 contains a minus sign.So the result will be -7.
<em>On Simplification:-</em>
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<em>Henceforth the solution of the algebraic expression is :-</em>
Option B is correct!
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I hope this helps!
Please let me know if you have any questions.
~MisterBrian