Estimate the result by rounding the numbers to the second decimal before performing the operation. Then also round your answer to the second decimal.

a) 2.3 x 0.12

b) 8123 x 0.211

c) 30.15 x 0.05

d) 3.15 x 0.0318

Question

Mathematics

Alina Gonzales

14 December, 19:32

Estimate the result by rounding the numbers to the second decimal before performing the operation. Then also round your answer to the second decimal.

a) 2.3 x 0.12

b) 8123 x 0.211

c) 30.15 x 0.05

d) 3.15 x 0.0318

+4

Answers (1)

Know the Answer?

Jazz · Answer 1

a) 0.28

b) 1705.83

c) 1.51

d) 0.09

Step-by-step explanation:

a) 2.3 x 0.12

0.276

0.28

b) 8123 x 0.211

8123 * 0.21

1705.83

c) 30.15 x 0.05

1.5075

1.51

d) 3.15 x 0.0318

3.15 * 0.03

0.0945

0.09

Estimate the result by rounding the numbers to the second decimal before performing the operation. Then also round your answer to the second decimal.a) 2.3 x 0.12b) 8123 x 0.211c) 30.15 x 0.05d) 3.15 x 0.0318

Estimate the result by rounding the numbers to the second decimal before performing the operation. Then also round your answer to the second decimal.

a) 2.3 x 0.12

b) 8123 x 0.211

c) 30.15 x 0.05

d) 3.15 x 0.0318