Round of the following to the nearest 1000

a)2648
b)4510
c)7394​

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?