$\dfrac{20xy^3}{6z}:\dfrac{2xy}{18z^5}=\dfrac{10xy^3}{3z}:\dfrac{xy}{9z^5}=\dfrac{10xy^3}{3z}\cdot\dfrac{9z^5}{xy}\\\\=\dfrac{10xy^3}{z}\cdot\dfrac{3z^5}{xy}=10y^2z^4\\\\\text{used:}\\ a^n\cdot a^m=a^{n+m}\\\\\dfrac{a^n}{a^m}=a^{n-m}$

3 0

3 years ago

What is the value of x2/y4 when x=8 and y=2

Alex73 [517]

Answer:

Step-by-step explanation:

(8)2/(2)4 multiply both numbers when x and y is replaced

16/8 can be simplified to

4 0

3 years ago

Read 2 more answers

I need help with this problem.

MariettaO [177]

Answer:

the numbers next to a variable is a coefficient, for instance in 2x 2 would be the coefficient.

the constants are the numbers without variables next to them, just numbers

like terms are the term that are similar like 2x and 8x or even 5 and 3

lm not exactly sure what they mean when asking for constant terms.

4 0

2 years ago

A new baby is born in France the newspaper reports the baby's mass to be 1.5×10³ kg

Ira Lisetskai [31]

The question only supplied us with the mass of the new baby which is:

$1.5\cdot10^3\operatorname{kg}\Rightarrow1500\operatorname{kg}$

This mass is too bizzarre & unrealistic for

4 0

1 year ago