Question

Please help...................

Answer 1

180

Explanation:

`(7,2.10^(-3) )/(4.10^(-5) ) = (1,8.4.10^(-3) )/(4.10^(-3).10^(-2) ) =(1,8)/(10^(-2) )= 1,8.100=180`

Answer 2

Divided answer: 180

Scientific Notation Answer: 1.8 x
`10^(2)`

Explanation:

Dividing

Factor the numerator and denominator and cancel the common factors.

Scientific Notation

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

10 . The sign of the exponent will depend on the direction you are moving the decimal.