The fastest way is to just use a scientific calculator.

To do it without a calculator, use prime factorization.

I'll only do the second one which is the answer.

27 x 8

= 3^3 x 2^3 = 6^3

Which is a perfect cube.

5 0

3 years ago

Read 2 more answers

Which are correct representations of the inequality...

KiRa [710]

Answer:

$-6x+15$

Step-by-step explanation:

$-3(2x-5)$

Distribute.

$-6x+15$

Add 5x and subtract 15 on both sides.

$-6x-5x$

$-1x$

Multiply -1 on both sides.

$x>5$

6 0

3 years ago

Jan bought 2 novels regularly priced at $24 and $18. Then reduced by 25%. What did she save?

max2010maxim [7]

Answer:

yeeeeeeeeeeeet

Step-by-step explanation:

thx for points

3 0

3 years ago

Which of the following is an irrational number? (With explanation)

Stells [14]

Answer:

√200

Step-by-step explanation:

An irrational number is a number that can not be represented as a fraction

√81 = 9 = 9/1

√-16 = 4i

√-64 = 8i

√200 = ~14.14213

5 0

2 years ago