Which of the following is closest to the sum $23+42+34$23+42+34?
$10$10
$100$100
$1000$1000
Which of the following is closest to the sum $97+98+89$97+98+89?
Which of the following is closest to $99+98-87$99+98−87?
Is the following sum close to $1000$1000?
$948+827+18$948+827+18