## Tuesday, June 21, 2011

### Practice problems for homework 1 of Summer 2011.

Change these numbers in Hindu-Arabic to Roman numerals.

648 = ______

15,781 = _____

Change these numbers in Roman numerals to Hindu-Arabic.
__
IXCDXLVII = ____

DCXCIV = ____

Find the approximation of 7/37 to the following number of decimal places and find the exact repeating decimal representation.

7/37 to the nearest tenth = _____
7/37 to the nearest hundredth = _____
7/37 to the nearest thousandth = ____

Repeating decimal representation = _____

Find the prime factorization of 48.

Find all the factors of 48.

#### 1 comment:

Prof. Hubbard said...

Change these numbers in Hindu-Arabic to Roman numerals.

648 =
DCXLVIII
===

15,781 =
__
XVDCCLXXXI
===

Change these numbers in Roman numerals to Hindu-Arabic.
__
IXCDXLVII =
9,447
===

DCXCIV =
694
===

Find the approximation of 7/37 to the following number of decimal places and find the exact repeating decimal representation.

7/37 to the nearest tenth =
.2
===

7/37 to the nearest hundredth =
.19
===

7/37 to the nearest thousandth =
.189
===

Repeating decimal representation =
___
.189
===

Find the prime factorization of 48.

48 = 2 x 2 x 2 x 2 x 3
or 48 = 2^4 x 3

===

Find all the factors of 48.

All the factors of 48 in pairs.

1 and 48
2 and 24
3 and 16
4 and 12
6 and 8

===