Question

V - Estimate and subtract:
1. 41
- 2 8vcfhn
h​

Answer 1

Answer:Round and Estimating Subtraction Problems in Tens

Round the numbers that numbers that will be subtracted to the nearest ten: if the number ends in 0, 1, 2, 3 or 4, we round down. If the number ends in 5, 6, 7, 8 or 9, we round up.

Subtract the rounded numbers.

Even out the amount that was rounded.

Step-by-step explanation:

Answer 2

Answer:

(k-1)x^+-3/2x=7(k=1)