Question

$5\times {10}^{9}metre$ can be written as ______.

• A. 5 petametre
• B. 5 yottametre
• C. 5 gigametre
• D. 5 kilometre

Answer 1

The correct option is C 5 gigametre

The following are the equivalent decimal multiple of metres

Peta $={10}^{15}m$
Yotta $={10}^{24}m$
Giga $={10}^{9}m$
Kilo $={10}^{3}m$
Hence $5\times {10}^{9}metre$ can be written as 5 gigametre