Quandaries and Queries

Who is asking: Parent
Level: Secondary

i have a couple of questions

1. write in standard form
a)4x2x8 b) 5 to the power of 4

2. rewrite each number in standard form
a) 2.6 x 10 to the power of 4
b) 8.31 x 10 to the power of 7

3. simplify leave your answers in expodential form
a) 5 to the power of 2 x 5 to the power of 3 x 5

4. rewrite each number in scientific notation
a) 24 000 b)360 000

these are samples of review questions my daughter received for her math class and her teacher is not helpful at all and this is a class that she is repeating so she needs to understand this stuff i am into accounting this type of math is not my forte.

thank you for any help you can provide.

frustrated Kim

Hi Kim,

The meaning of the term "standard form" may depend on the text book but I will give you what I think the teacher is looking for.

  1. a) 4 x 2 x 8 = 22 x 2 x 23 = 26

    b) 54

  2. a) 2.6 x 104

    b) 8.31 x 107

  3. 52 x 53 x 5 = 56

  4. a) 2.4 x 104

    b) 3.6 x 105
For scientific notation you need to write the number in the form d.y 10z where d is one digit 1,2,3,..,9 (not 0).


Go to Math Central