bossy2028 bossy2028
  • 27-03-2020
  • Mathematics
contestada

HELP ASAP PLEASE!!!!!

HELP ASAP PLEASE class=

Respuesta :

Wallind11
Wallind11 Wallind11
  • 27-03-2020

Step-by-step explanation:

LCM of 18, 30 and 42

= 2×3×3×5×7

=630 option B

After 630secs the planets will be aligned again

Answer Link

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