Question

55.2².5+4.89.5²-3².10³

Answer 1

Answer 2

\(=55.4.5+4.89.25-9.100=1100+8900-900=10000-900=100\)

Answer 3

Answer 4

  55 x 2 ² x 5 + 4 x 89 x 5² - 3² x 10³

= 25 x 4 x 11 + 4 x 25 x 89 - 90 x 100

= 100 x 11 + 100 x 89 - 100 x 90

= 100 x (11 + 89 - 90)

= 100 x 10

= 1000