(ii) 47235839 to the nearest ten lakh (iii) 26948035 to the nearest crore 3. Approximate 68443675: (i) correct to the nearest ten. (ii) correct to the nearest hundred. (iii) correct to the nearest thousand. (iv) correct to the nearest ten thousand. (v) correct to the nearest lakh. (vi) correct to the nearest ten lakh. (vii) correct to the nearest crore. 4. Estimate each sum to the nearest ten. Factor (i) 43 + 28 (ü) 13 + 58 (11) 96 + 47 (iv) 173 + 387 (v) 634 + 478 (vi) 251 + 732 5. Estimate each sum to the nearest hundred. (i) 437 + 322 (ii) 180 + 276 (til) 789 - 235 (iv) 2470 + 5492 (v) 3120 + 6370 (vi) 21301 + 18582 6. Estimate each sum to the nearest thousand. (i) 17478 + 31845 (ii) 12385 + 47812 (ii) 23659 + 58145 (iv) 64580 + 21732 EX 7. Estimate each difference to the nearest ten. Sol (iv) 731 - 469 (iii) 508 - 237 (ii) 64 - 28 (i) 96 - 27 8. Estimate each difference to the nearest hundred. (il) 858 - 477 (1) 579 - 214 (iv) 6307 - 3428 (iii) 4613 - 2089​