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anastassius [24]
3 years ago
7

Find the value of the expression 4a to the fourth power - 2b squared +40 when a =2 and b=7

Mathematics
1 answer:
Tom [10]3 years ago
3 0
4a^4 -2b^2 +40
a=2
b=7
4(2)^4 -2(7)^2 +40
PEMDAS is what your gonna use to solve this you go from right to left

First is P which is parentheses which is none
second is E which stands for exponents
4(32)-2(49)+40
now MD multiply or divide
128-98+40
now add or subtract
30+40
last one 
70 this is your answer i hope

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4 0
3 years ago
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If you were to correctly simplify this equation, the answer would be a negative.

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Here's how I got my answer:

Step 1: Add 3 to both sides. Which leaves us with -9n=42+3

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Step 3: Divide both sides by -9. Which leaves us with n = -45/9

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4 years ago
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Marrrta [24]

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Step-by-step explanation:

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3 years ago
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ivann1987 [24]

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Step-by-step explanation:

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6 0
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