Free Printable Gr 8: Quiz 4

1.

$\frac{x^7}{x^3}$

2.

What is the value of n?

3.

Choose two answers

a)

b)

c)

d)

4.

Simplify $11^4\times11^2\times\left(11^4\right)^2$

5.

When multiplying like bases we do this to the exponents.

(a)

6.

We (a) the exponents when we divide like bases.

7.

A song is streamed approximately 2,500,000,000 times. Rewrite this in scientific notation.

8.

Written in scientific notation, what is the sum of $\left(3.7\times10^4\right)+\left(8.5\ \times10^4\right)$ (Remember the number in front must be a single digit)

9.

Find the difference $\left(4.68\times10^4\right)-\left(3.22\times10^4\right)$

10.

Reorder the following, smallest on the left.

a)

$3.85\times10^2$

b)

$2.8\times10^3$

c)

$3.85\times10^3$

d)

$2.8\times10^4$

e)

$2.9\times10^4$

1)

2)

3)

4)

5)

11.

Write $62\times10^7$ in scientific notation.

12.

Multiply $8\left(\frac{1}{2}\right)$

13.

Multiply $80\left(\frac{1}{10}\right)$

14.

Add $\frac{5}{3}+\frac{2}{3}$

15.

Subtract $\frac{9}{8}-\frac{5}{8}$

Gr 8: Quiz 4

Total questions: 15

Worksheet time: 26mins

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