Algebra and Ratios

Question 1

Simplify.
m^4 x m^7

Answer 1

m^4 x m^7 = (mxmxmxm)x(mxmxmxmxmxmxm) = m^4+7 =m^11

Question 2

Simplify.
m^7 / m^4

Answer 2

m^7 / m^4 = (mxmxmxmxmxmxm) / (mxmxmxm) = m^7-4 = m^3

Question 3

3/5 / 2/15

Answer 3

Keep-Change-Flip
3/5 * 15/2
=3/1 * 3/2
=9/2

Question 4

When dividing decimals always…

Answer 4

move the decimal for the same amount for both the dividend and divisor.

Question 5

15% of 1,200

Answer 5

180