answersLogoWhite

0

537 round to 530

78 round to 80

53*2 = 106

106*2 = 212

121*2 = 424

and the two 0s - one each from 530 and 80 - make it 42400.

[The exact answer is 41886]

User Avatar

Wiki User

12y ago

What else can I help you with?