3 years ago

Simplify a + 2 + a + 2 + a + 2

Mathematics

1 answer:

horrorfan [7]3 years ago

6 0

Answer:

3a+6

Step-by-step explanation:

a+a+a=1a+1a+1a=3a

2+2+2=6

therefore,3a+6

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Select the answer that expresses the result of this calculation with the correct number of significant figures. 13.602 x 1.90 x

Marta_Voda [28]

Solution:

Given expression: ( $\frac{13.602*1.90*3.06}{4.2*1.4097}$ )

= $\frac{79.1}{5.9}$

= 13

In the expression of 13.602*1.90*3.06 will have only 3 significant figure because the number 1.90 has only 3 significant figure .

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4 years ago

PLEASE HELP!!<br>please show how you know!<br>

elixir [45]

Answer:

Second and last options are correct answers.

Step-by-step explanation:

Correct options are:

$\huge \frac{(8^3)^2}{8^{-5}}= \purple {\bold {\frac{8^6}{8^{-5}}}}$

$\huge \frac{(8^3)^2}{8^{-5}}= \frac{8^6}{8^{-5}}=\red{\bold {8^{11}}}$

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3 years ago