Which statement accurately describes mass-energy equivalence? it includes the idea that mass is a measure of the energy within an object.
it states that mass-energy can be created or destroyed.
it can be represented using the formula e = m2c.
it states that all energy in the universe will be converted to mass.

A. It includes the idea that mass is a measure of the energy within an object.

Explanation:

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2