Is $4000$4000 a reasonable estimate for $42\times8$42×8?

Yes

A

No

B

Yes

A

No

B

Easy

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Is $400$400 a reasonable estimate for $2002\div5$2002÷5?

Irene had $120$120 dolls and she gave $18$18 to her friend Charlie. Charlie said that Irene had $138$138 dolls left. Is Charlie's statement reasonable?

Maximilian thinks $3.5$3.5 kg of apples will cost about $£9.25$£9.25. Is this a reasonable estimate?