Round off to TWO decimal places: 17,004
Estimate 8,2×23,88{,}2\times23{,}88,2×23,8 by rounding each factor to the nearest whole number, then calculate the EXACT product.
Calculate: 28,643×100028{,}643\times100028,643×1000
Calculate: 91,873×1091{,}873\times1091,873×10
Calculate: 12,54 − 1,8
Fill in < or > to make the statement true: 0,472 □ 0,653
Calculate: 11,37 + 2,51
Write 42% as a common fraction in its simplest form.
Estimate 4,6×13,34{,}6\times13{,}34,6×13,3 by rounding each factor to the nearest whole number, then calculate the EXACT product.
Round off to ONE decimal place: 22,84
Estimate 7,5×33,97{,}5\times33{,}97,5×33,9 by rounding each factor to the nearest whole number, then calculate the EXACT product.
Calculate: 5×1,95\times1{,}95×1,9
