How to multiply integers

Practice Questions

PSAT Math › How to multiply integers

Questions

What property of arithmetic is demonstrated here?

$3 \cdot (K \cdot 7) = (3 \cdot K) \cdot 7$

What property of arithmetic is demonstrated below?

$t (r + 7) = t \cdot r + t \cdot 7$

Multiply in modulo 8:

$5 \times 6 \times 7$

An office wants to buy 22 computers at $900 each. The budget is $20,000 and the tax on computers is 9%. How many computers can the office afford?

$F=ma$ in physics where $Force=mass\times acceleration$ .

If the mass is increased by 3 three times the original and the acceleration is increased by 7 times the original, how many times greater is the new force than the original force?

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