write the number in standard form

Question

write 7.29x105in standard form

Answer 1

assume you mean 7.29 x 10^5 this means move the decimal 5 places to the right, filling in zeros when you run out of numbers

so 729,000

Answer 2

write a pair of numbers such that the value of the seven in the first number is 1,000 times the value of the 7 in the second  number and the value of the 3 in the first number is 100 times the value of the 3 in the second number

Answer 3

Write the number

1. 10 more than 451

2.100 more than367

3.10 less than 812

4.100 less than324