HELP PLEASE I NEED HELP

Lucy and shen are trying to estimate the product 5 x 662 answer the questions below

Lucy estimates this product by computing 5 x 600 what is her estimate? 5 x 600 = _

Shen estimates this product by computing 5 x 700 what is her estimAte? 5 x 700 =_

Who’s estimate is closer to 5 x 662?
A. Lucy’s estimate is closer
B. Shens estimate is closer
C.their estimates are equally close