What is the number 5.1×107 written in decimal notation?(1 po

The number 5.1 x 10^7 in decimal notation is 51,000,000.

What is the number 6.3×10−4

written in decimal notation?

The number 6.3 x 10^-4 in decimal notation is 0.00063.

A wasp’s stinger has an average length of 2.67×10−3 meter long. What is this length in decimal notation?(

The length of a wasp's stinger, 2.67 x 10^-3 meters, in decimal notation is 0.00267 meters.