Whakaoti i te 5.3*10^11-12*10^11+0.72*10^11=

$$5.3 \cdot 10 ^ { 11 } - 12 \cdot 10 ^ { 11 } + 0.72 \cdot 10 ^ { 11 } =$$

Aromātai

$$-598000000000$$

Ngā Upane Otinga

Tātaihia te 10 mā te pū o 11, kia riro ko 100000000000.

$$5.3\times 100000000000-12\times 10^{11}+0.72\times 10^{11}$$

Whakareatia te 5.3 ki te 100000000000, ka 530000000000.

$$530000000000-12\times 10^{11}+0.72\times 10^{11}$$

Tātaihia te 10 mā te pū o 11, kia riro ko 100000000000.

$$530000000000-12\times 100000000000+0.72\times 10^{11}$$

Whakareatia te 12 ki te 100000000000, ka 1200000000000.

$$530000000000-1200000000000+0.72\times 10^{11}$$

Tangohia te 1200000000000 i te 530000000000, ka -670000000000.

$$-670000000000+0.72\times 10^{11}$$

Tātaihia te 10 mā te pū o 11, kia riro ko 100000000000.

$$-670000000000+0.72\times 100000000000$$

Whakareatia te 0.72 ki te 100000000000, ka 72000000000.

$$-670000000000+72000000000$$

Tāpirihia te -670000000000 ki te 72000000000, ka -598000000000.

$$-598000000000$$

Tauwehe

$$-598000000000$$