Question

Give the answer to the problem below using the correct number of significant digits. (1.3 x 103) x (5.724 x 104)

Answer 1

79710.1344

(1.3 x 103) x (5.724 x 104) = 79710.1344

Answer 2

(133.9) x (595.296)= 79,710.1344
Answer with significant digits: 80,000
1.3 has two significant digits so 79,700 rounds up to 80000.