The value of `((. 896xx. 763+. 896xx. 237)/(. 7xx. 064+. 7xx. 936))` is (a) .976 (b) 9.76 (c) 1.28 (d) 12.8

The value of ((8.6xx5.3+8.6xx4.7)/(4.3xx9.7-4.3xx8.7)) is (a) 3.3 (b) 6.847 (c) 13.9 (d) 20

The value of (4.7 xx 13.26+4.7xx9.43+4.7xx77.31) is: (a) 0.47 (b) 47 (c) 470 (d) 4700

Find the value of 0.064 xx 0.064 + 2 xx 0.064 xx 99.936 + 99.936 xx 99.936

Find the value of 0.064 xx 0.064 + 2 xx 0.064 xx 99.936 + 99.936 xx 99.936

What is the value of 8 xx (-7) + (-7) xx 9 ?

8xx7xx... =12xx8xx...

Match the problems with the answers. (a) 128 xx 47 (b) 1.28 xx 4.7 (c) 12.8 xx 0.47 (d) 0.128 xx 4.7 (e) 6.016 (f) 6016 (g) 0.6016

Write in terms of factorials. 6 xx 7 xx 8 xx 9

1/(5 xx 6) + 1/(6 xx 7) + 1/(7 xx 8) + ….. + 1/(24 xx 25) ?