Show us the image so I can answer the question.
The correct answer would be GJF and GJH.
hoped this helped
Well, 5 tens is equivalent to 50, and 29 ones is equivalent to 29, so 50 + 29 = 79 =)
I hope I helped! =D
move the decimal point to the right of the 3 ( count the number of places you moved it) that would be the exponent and since you moved it to the right it would be negative
3.42 x 10^-6