Question

Estimate each of the following without using a
calculator. Then use a calculator to evaluate each
of the following. Are your estimated values close
to the actual values?
(a) 2013 x 39 (b) /145.6 = 365.4




any body plz solve this urvent with explaination
​

Answer 1

Answer:

a) 2,013x39 -> 2,000*40=80,000

b) 80,000/150 = 533.3

533.3 (estimated answer) is close to 365.4 (the real answer)

Answer 2

Step-by-step explanation:

2013*(40-1)

2013*40 -2013*1

80520 - 2013

78507