Question
Solve $: 3a = – 2.1$
✓
Answer
$3 a=-2.1$
$\Rightarrow a=\frac{-2.1}{3}$
$\Rightarrow a=\frac{-21}{3 \times 10}$
$\Rightarrow-\frac{7}{10}$
$=-0.7$
$\Rightarrow a=\frac{-2.1}{3}$
$\Rightarrow a=\frac{-21}{3 \times 10}$
$\Rightarrow-\frac{7}{10}$
$=-0.7$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Estimate the sum of the pair of numbers to the nearest ten:
34 and 87
34 and 87
Using the most convenient grouping, find each of the following products:
8 x 12 x 25 x 7
8 x 12 x 25 x 7
Solve: 7x - 3x + 2 = 22
Multiply $: x – 5$ and $x + 3$
→Which of the following are prime numbers?
$15,19,29,37,63,91,47,51,73,87,97$
→$15,19,29,37,63,91,47,51,73,87,97$
If $a = – 10,$ evaluate:
$a^3$
→$a^3$
Complete the magic squares by supplying the missing numbers:
Find the value: $16 \frac{2}{3} \%$ of 18
→Find the value of 5x + 3y − 6z, when x = 3, y = 5 and z = 4
Estimate the following product by rounding off each number to the nearest hundred :
333 x 247
333 x 247