Since 12.3 is less than 21 it will be a negative number. so just subtract 12.3 from 21 and put a negative symbol in front of the answer.
Jay draws a hen on graph paper using the scale shown below. The hen has a length of 16 units in the drawing. The scale is 2 unit
1 answer:
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Answer:
a = 2, b = 3.5
Step-by-step explanation:
Expanding using Binomial expansion, we have that:
=
We have that the coefficients of the first two terms are 128 and -224.
For the first term:
=>
=>
For the second term:
Therefore, a = 2, b = 3.5