व्यापक नियन का प्रयोग करते हुए, निमिनलखित गुणनफलो का आकलन कीजिए: (a) `578xx161` (b) `5281xx3491` (c) `1291xx592` (d) `9250xx29`

Q. Estimate the following products using general rule: (a). 578xx161 (b). 5281xx3491 (c).1291xx592 (d).9250xx29

Find the factors of 330. (a) 2xx4xx5xx11 (b) 2xx3xx7xx13(c)2xx3xx5xx13(d)2xx3xx5xx11

log_(a)b xx log_(b)c xx log_(c) d xx log_(d)a is equal to

Estimate the following products using general rule:(a) 578 × 161 (b) 5281 × 3491 (c) 1291 × 592 (d) 9250 × 29Make four more such examples

9xx(-1/3)xx(-3)xx(-1/9)= (a) 1 (b) -1 (c) -3 (d) 3