From one of thes 3.2 ×10−10 m

3.2 times 10 superscript negative 10 baseline m

2.72×10−10 m
2.72 times 10 superscript negative 10 baseline m

3.2×10−11  m
3.2 times 10 superscript negative 11 baseline m

3.2×10−9 m

1 answer

3.2 times 10 superscript negative 9 baseline m