The average distance from the sun to the planet venus is about 261,000,000 km. the diameter of a human hair is about 0.0025 cm. (a)what is the distance from the sun to venus written in scientific notation? (b) what is the diameter of a human hair written in scientific notation?

(a)

we are given

The average distance from the sun to the planet Venus is about 261,000,000 km

we have to write in scientific form

In scientific form , we write expression in terms of exponent of 10

so, we can write as

now, we can write in terms of exponents

............Answer

(b)

we are given

The diameter of a human hair is about 0.0025 cm

we can write in scientific form as

step-by-step explanation: