Powers, Exponential & Logarithmic Functions

Question 1

What is log10?

Answer 1

base 10

1 -> 10 -> 100 -> 1000 -> 10000

Question 2

What should you be familiar with?

Answer 2

your calculator

Question 3

What is 3^3?

Answer 3

3 x 3 x 3 = 27

Question 4

What is 3000 in standard form?

Answer 4

3 x 10^3

Question 5

What is exponential form?

Answer 5

A^b = c

e.g. 2^4 = 16

Question 6

What is logarithmic form?

Answer 6

loga(C) = b

e.g.

log2 (16) = 4

Question 7

Calculate the percentage change from Z -> Y

y = 2.85

z = 1.275

Answer 7

y = 10^2.85 = 707.9457844
z = 10^1.275 = 18.83649089

y-z/z x 100 = 3658%