The value of (-12) . 8 is -96 and the value of 14.(-5).(-11) is 770
How to solve the expressions?
The question implies that we calculate the expressions in two different ways.
1) (-12).8
Way 1:
We have:
(-12).8
This means
(-12) . 8 = -12 * 8
Evaluate
(-12) . 8 = -96
Way 2
We have:
(-12).8
This means
(-12) . 8 = -12 * 8
Express 8 as 4 + 4
(-12) . 8 = -12 * (4 + 4)
Expand
(-12) . 8 = -12 * 4 -12 * 4
Evaluate the products
(-12) . 8 = -48 - 48
Evaluate the sum
(-12) . 8 = -96
Hence, the value of (-12) . 8 is -96
2) 14.(-5).(-11)
Way 1:
We have:
14.(-5).(-11)
This means
14.(-5).(-11) = 14 * -5 * -11
Evaluate
14.(-5).(-11) = 770
Way 2
We have:
14.(-5).(-11)
This means
14.(-5).(-11) = 14 * -5 * -11
Multiply -5 and -11
14.(-5).(-11) = 14 * 55
Multiply 14 and 55
14.(-5).(-11) = 770
Hence, the value of 14.(-5).(-11) is 770
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