`38.734+ 8.638-5.19=?`

125.38-:8=

6.5 11.8 22.4 38.3 59.5 87.3 117.8

38+6xx0.8=?

Simplify : ((1.5)^3 + (4.7)^3+(3.8)^3 -3xx 1.5 xx 4.7 xx 3.8)/((1.5)^2 +(4.7)^2+(3.8)^2-1.5 xx 4.7 -4.7 xx 3.8 -3.8 xx 1.5)

68% "of" 1288+26% "of" 734-215=?

Round to the appropriate number of significant digits (a) 13.214 + 234.6 +7.0350 +6.38 (b) 1247 + 134.5 + 450 + 78

Round to the appropriate number of significant digits (a) 13.214 + 234.6 +7.0350 +6.38 (b) 1247 + 134.5 + 450 + 78

Add the decimals: 8.236. 16.064. 63.8 and 27.53

Add the decimals: 4.37, 9.638, 17.007 and 6.8