can you show step by step and how it would look in the boxes please

An atom of a particular element has a volume of 7.8 10-m What is this volume in cubic nanometers? 7.8 x 10- m STARTING AMOUNT 7.8 * 10-2 7.8 x 10- 10 7.8 x 10-4 10- (10%) 106 (10-9 (1) 7,8 x 10- 1 (10) (10%) 10-6 7.8 x 10 m um m nm um nm