Question

Add the additive inverse of {-16 +12 -48 = 3 of 4 } to the product of -7.4 and -9​

Answer 1

$\bigstar$ Correct Question:

• Add the additive inverse of {(-16) + 12) + (-48) - 3 of 4 } to the product of (-7.4) and (-9).

$\bigstar$To find:

• By adding the additive Inverse of {(-16) + (12)+ (-48) - 3 of 4 } to the product of -(7.4) and (-9).

$\bigstar$ Solution:

{(-16 ) + 12 + (-48) + (- 3 ) of 4 }

(By using BODMAS rule)

= {(-16 ) + 12 + (-48) + (- 3 ) × 4 }

= {(-16 ) + 12 + (-48) + (- 12) }

= {(-16 ) + (-48) + (- 12) + 12 }

= { (-76) + 12 }

= (-64)

Now additive Inverse of (-64) is 64.

The product of (-7.4) and (-9)

= (-7.4) × (-9)

= 66.6

Now by adding the additive Inverse of (-64) and 66.6 we get,

64 + 66.6

= 130.6

$\circ$ Note:

1. What is additive Inverse?

• The additive inverse of a number a is the number that, when added to a, we get zero. This number is also known as the opposite, sign change, and negation. For a real number, it reverses its sign: the opposite to a positive number is negative, and the opposite to a negative number is positive.

2. What is BODMAS Rule?

• B $\rightarrow$ Brackets
• O $\rightarrow$ Of
• D $\rightarrow$ Division
• M $\rightarrow$ Multiplication
• A $\rightarrow$ Addition
• S $\rightarrow$ Subtraction

3. What happens when a negative number is multipled with a negative number?

• Negative × Negative = Positive