Which exercises/theory should I discuss on the board?

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Which exercises/theory should I discuss on the board?

What is 5.384921 rounded to three decimal places?

A

5.38

B

5.384

C

5.385

D

5.395

What is 0.19523 rounded to two decimal places?

A

0.19

B

0.20

C

0.2

D

0.30

Solve the equation. Give your answer as an approximation accurate to 2 decimal places.

10 - 3a = 15

10 - 3a = 15

A

132

B

−132

C

1.67

D

-1.67

Solve the equation.

Give an exact answer

3.5a + 8 = 9

Give an exact answer

3.5a + 8 = 9

A

0.285714286

B

1

C

3.51

D

72

What is the first step when making a formula from a graph?

A

shorten the formula

B

calculate the gradient

C

find the start value

D

make a table