Free Printable M8 výrazy 04 násobení jednočlenů

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Worksheets

M8 výrazy 04 násobení jednočlenů

Total questions: 20

Worksheet time: 12mins

Name

Class

Date

1.

$5x^4\cdot x^6$

a)

$5x^{10}$

b)

$5x^{24}$

c)

$5x^2$

d)

$25x^{10}$

2.

$3a\cdot4a^2$

a)

$7a^3$

b)

$12a^3$

c)

$12a^2$

d)

$7a^2$

3.

$-3x^5y^2\cdot8xy^4$

a)

$24x^6y^6$

b)

$-24x^5y^4$

c)

$-24x^6y^6$

d)

$-24x^5y^6$

4.

$6a^2b^7\cdot\left(-7ab^2\right)$

a)

$-42a^3b^9$

b)

$-49a^2b^9$

c)

$-42a^3b^7$

d)

$42a^3b^9$

5.

$\frac{1}{2}c^2\cdot6cd$

a)

$6c^3d$

b)

$3c^2d$

c)

$6c^3d^2$

d)

$3c^3d$

6.

$\left(-5mn^5\right)\cdot\left(-0.1m^2n^2\right)$

a)

$-0.5m^3n^6$

b)

$0.5m^3n^7$

c)

$0.05m^4n^7$

d)

$-0.5m^3n^8$

7.

$\left(-1.2k^4m\right)\cdot2m^2$

a)

$-2.2k^4m^4$

b)

$-2.4k^5m^3$

c)

$-2.4k^4m^3$

d)

$-2.1k^4m^3$

8.

$\sqrt{2}a^2\cdot\sqrt{2}ab$

a)

$2a^3b$

b)

$\sqrt{2}a^3b$

c)

$0.2a^2b$

d)

$2a^3b^2$

9.

$\left(-8t^2uv\right)\cdot\left(-4xy\right)$

a)

$32xyt^2uv$

b)

$-32xyt^2uv$

c)

$32yt^2uv$

d)

$-32xytuv$

10.

$15mn\cdot3no$

a)

$18mn^2o$

b)

$42mn^2o$

c)

$45mn^2o$

d)

$45m^2n^2o$

11.

$3a\cdot5b$

a)

$15ab$

b)

$8ab$

c)

$15a^2b^2$

d)

$8a^2$

12.

$2x\cdot3y$

a)

$5xy$

b)

$6xy$

c)

$5x^2y^2$

d)

$6x^2y$

13.

$\frac{1}{2}a\cdot4a$

a)

$4a^2$

b)

$2a^4$

c)

$2a^2$

d)

$4a$

14.

$32a\cdot\left(-a\right)$

a)

$-32a^2$

b)

$32-a^2$

c)

$32a^2$

d)

$-32a$

15.

$2xy\cdot3x$

a)

$6x^2y$

b)

$6xy$

c)

$5x^2y$

d)

$5xy^2$

16.

$\left(-4x\right)\cdot\left(-2x\right)$

a)

$8x$

b)

$-8x^3$

c)

$-8x^2$

d)

$8x^2$

17.

$\left(-6ab\right)\cdot ab$

a)

$-6^2b^2$

b)

$6a^2b$

c)

$6ab^2$

d)

$-6a^2b$

18.

$5m\cdot\left(-8mn\right)$

a)

$40m^2n^2$

b)

$-40m^2n^2$

c)

$-40m^2n$

d)

$40mn^2$

19.

$-11p\cdot\left(-pq^2\right)$

a)

$11p^2q^2$

b)

$11pq^2$

c)

$-11p^2q$

d)

$-11p^2q^2$

20.

$0.8y^2\cdot5x$

a)

$40xy^2$

b)

$4xy^2$

c)

$0.4xy^2$

d)

$4xy^2$

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