what are the base and exponent in the expression 5.6^4?
add (3.4x10^6)+ (4.7x10^7)
0.34* 10^7 + 4.7 * 10^7
= 5.04 * 10^7
but you are only using 2 significant figures so
5.0 * 10^7
add (3.4x10^6)+ (4.7x10^7)
= 5.04 * 10^7
but you are only using 2 significant figures so
5.0 * 10^7