Question #10950024

# Leading digit estimation, did I get these answers right (need to know if I'm doing it correctly)?

**1. Use Leading Digit Estimation to estimate the answers to the following problems.
a. 8.9 + 5.3 + 14.8
=9.0+5.0+15.0= 29
b. 3139 Ã— 11
=3000x10= 30,000
c. 4122/23
=4000/20= 200
2. Use Leading Digit Estimation to estimate the answers to the following problems.
a. 19.2 + 9.3 + 48.9
=19.0+9.0+49.0= 77
b. 93 Ã— 41
=90x40= 3600
c. 2117/17
=2000/20= 100
**

TELL US , if you have any answer

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