CHAPTER 4. ERROR MARGINS 4.2
(e)
√
4 +
√
20
√
18 to six decimal places
(f)
√
3 +
√
5
√
6 to one decimal place
- Calculate:
(a)
√
x 2 , if x = 3, 3. Write the answer to four decimal places.
(b)
√
4 + x , if x = 1, 423. Write the answer to two decimal places.
(c)
√
x + 3 +
√
x , if x = 5, 7. Write the answer to eight decimal places.
(d)
√
2 x5 +^12
√
x + 1 , if x = 4, 91. Write the answer to five decimal places.
(e)
�
3 x1 + (4x + 3)
√
x + 5 , if x = 3, 6. Write the answer to sixdecimal places.
(f)
�
2 x + 5(x1) + (5x + 2) +^14
√
4 + x, if x = 1, 09. Write the answer toone
decimal place
More practice video solutions or help at http://www.everythingmaths.co.za
(1.) 02sf (2.) 02sg
