Place Value And Rounding

Question 1

1.dp,2.dp
A. 39.114
B. 7.068
C. 5.915

Answer 1

39. 1, 39.11
40. 1, 7.07
41. 9, 5.92

Question 2

Rounding to significant figures

Answer 2

When rounding to significant figures we count from the first non-zero digit