Question

1. Work out the following divisions. One is done for you.

a) 4.31 ÷ 103

= 4.31 ÷1000 = 0.00431

b) 7.92 ÷ 102

= __________ = ________

c) 7.92 ÷ 10-2 = __________ = _________

2. Write each of the following numbers to two significant figures. One is done for you.



a) 52.84 = 53

b) 0.8756 = _______________

c) 7.83 = _______________

d) 476.93 = _______________

3. Write each of the following numbers to three significant figures.



a) 0.8756 = ______________

b) 82.53 = ______________

c) 0.076 = _____________​

Answer 1

Answer:

1.

a)

b)7.92÷1000=0.00792

c)7.92÷100. =-1.208

2.

a)

b)1

c)8

d)477

3.

a)1

b)83

c)0.01