Question

Estimate the following:
(i) 42 x 127
(ii
1
ful​

Answer 1

Answer:

Estimating 42 to nearest 10's = 40

Estimating 127 to nearest 10's = 130

Multiplying

$130 \atop{\times40 } \\ \overline{{000}} \\\atop{520\times} \\\\ \overline{5200}$